Home / 15,141,182.92-20,894,917.44-8,614,812.22

Finding the Fourth Proportional to 15,141,182.92, 20,894,917.44 and 8,614,812.22

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Solution

The fourth proportional to 15,141,182.92, 20,894,917.44 and 8,614,812.22 is: 11,888,489.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,141,182.92 : 20,894,917.44 = 8,614,812.22 : x
  2. Step 2: Convert to fraction form
    15,141,182.92/20,894,917.44 = 8,614,812.22/x
  3. Step 3: Cross multiply
    15,141,182.92x = 20,894,917.44 × 8,614,812.22
  4. Step 4: Simplify right side
    15,141,182.92x = 180,005,790,098,003.16
  5. Step 5: Solve for x
    x = 180,005,790,098,003.16/15,141,182.92
  6. Step 6: Final answer
    x = 11,888,489.23

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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.