Home / 8,040,456.45-12,060,684.68-7,667,208.45

Finding the Fourth Proportional to 8,040,456.45, 12,060,684.68 and 7,667,208.45

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Solution

The fourth proportional to 8,040,456.45, 12,060,684.68 and 7,667,208.45 is: 11,500,812.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,040,456.45 : 12,060,684.68 = 7,667,208.45 : x
  2. Step 2: Convert to fraction form
    8,040,456.45/12,060,684.68 = 7,667,208.45/x
  3. Step 3: Cross multiply
    8,040,456.45x = 12,060,684.68 × 7,667,208.45
  4. Step 4: Simplify right side
    8,040,456.45x = 92,471,783,452,945.52
  5. Step 5: Solve for x
    x = 92,471,783,452,945.52/8,040,456.45
  6. Step 6: Final answer
    x = 11,500,812.68

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Half scale
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Double scale
Find fourth proportional to 8,040,457.45, 12,060,686.18 and 7,667,209.45
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.