Home / 8,124,460.07-11,205,217.50-7,142,299.16

Finding the Fourth Proportional to 8,124,460.07, 11,205,217.50 and 7,142,299.16

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Solution

The fourth proportional to 8,124,460.07, 11,205,217.50 and 7,142,299.16 is: 9,850,625.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,124,460.07 : 11,205,217.50 = 7,142,299.16 : x
  2. Step 2: Convert to fraction form
    8,124,460.07/11,205,217.50 = 7,142,299.16/x
  3. Step 3: Cross multiply
    8,124,460.07x = 11,205,217.50 × 7,142,299.16
  4. Step 4: Simplify right side
    8,124,460.07x = 80,031,015,537,867.30
  5. Step 5: Solve for x
    x = 80,031,015,537,867.30/8,124,460.07
  6. Step 6: Final answer
    x = 9,850,625.75

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.