Home / 9,506,920.43-13,121,227.20-5,641,572.89

Finding the Fourth Proportional to 9,506,920.43, 13,121,227.20 and 5,641,572.89

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Solution

The fourth proportional to 9,506,920.43, 13,121,227.20 and 5,641,572.89 is: 7,786,365.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,506,920.43 : 13,121,227.20 = 5,641,572.89 : x
  2. Step 2: Convert to fraction form
    9,506,920.43/13,121,227.20 = 5,641,572.89/x
  3. Step 3: Cross multiply
    9,506,920.43x = 13,121,227.20 × 5,641,572.89
  4. Step 4: Simplify right side
    9,506,920.43x = 74,024,359,655,050.59
  5. Step 5: Solve for x
    x = 74,024,359,655,050.59/9,506,920.43
  6. Step 6: Final answer
    x = 7,786,365.75

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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.