Home / 7,778,016.40-11,667,024.60-7,305,235.60

Finding the Fourth Proportional to 7,778,016.40, 11,667,024.60 and 7,305,235.60

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Solution

The fourth proportional to 7,778,016.40, 11,667,024.60 and 7,305,235.60 is: 10,957,853.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,778,016.40 : 11,667,024.60 = 7,305,235.60 : x
  2. Step 2: Convert to fraction form
    7,778,016.40/11,667,024.60 = 7,305,235.60/x
  3. Step 3: Cross multiply
    7,778,016.40x = 11,667,024.60 × 7,305,235.60
  4. Step 4: Simplify right side
    7,778,016.40x = 85,230,363,453,995.75
  5. Step 5: Solve for x
    x = 85,230,363,453,995.75/7,778,016.40
  6. Step 6: Final answer
    x = 10,957,853.40

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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.