Home / 22,411,840.92-30,929,489.74-13,707,279.56

Finding the Fourth Proportional to 22,411,840.92, 30,929,489.74 and 13,707,279.56

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Solution

The fourth proportional to 22,411,840.92, 30,929,489.74 and 13,707,279.56 is: 18,916,748.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,411,840.92 : 30,929,489.74 = 13,707,279.56 : x
  2. Step 2: Convert to fraction form
    22,411,840.92/30,929,489.74 = 13,707,279.56/x
  3. Step 3: Cross multiply
    22,411,840.92x = 30,929,489.74 × 13,707,279.56
  4. Step 4: Simplify right side
    22,411,840.92x = 423,959,162,514,331.69
  5. Step 5: Solve for x
    x = 423,959,162,514,331.69/22,411,840.92
  6. Step 6: Final answer
    x = 18,916,748.70

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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.