Home / 22,581,154.08-31,155,127.20-12,790,042.56

Finding the Fourth Proportional to 22,581,154.08, 31,155,127.20 and 12,790,042.56

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Solution

The fourth proportional to 22,581,154.08, 31,155,127.20 and 12,790,042.56 is: 17,646,370.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,581,154.08 : 31,155,127.20 = 12,790,042.56 : x
  2. Step 2: Convert to fraction form
    22,581,154.08/31,155,127.20 = 12,790,042.56/x
  3. Step 3: Cross multiply
    22,581,154.08x = 31,155,127.20 × 12,790,042.56
  4. Step 4: Simplify right side
    22,581,154.08x = 398,475,402,850,213.62
  5. Step 5: Solve for x
    x = 398,475,402,850,213.62/22,581,154.08
  6. Step 6: Final answer
    x = 17,646,370.13

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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.