Home / 9,887,386.92-13,637,545.20-9,074,211.72

Finding the Fourth Proportional to 9,887,386.92, 13,637,545.20 and 9,074,211.72

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Solution

The fourth proportional to 9,887,386.92, 13,637,545.20 and 9,074,211.72 is: 12,515,943.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,887,386.92 : 13,637,545.20 = 9,074,211.72 : x
  2. Step 2: Convert to fraction form
    9,887,386.92/13,637,545.20 = 9,074,211.72/x
  3. Step 3: Cross multiply
    9,887,386.92x = 13,637,545.20 × 9,074,211.72
  4. Step 4: Simplify right side
    9,887,386.92x = 123,749,972,485,869.75
  5. Step 5: Solve for x
    x = 123,749,972,485,869.75/9,887,386.92
  6. Step 6: Final answer
    x = 12,515,943.14

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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.