Home / 21,708,023.52-29,953,583.28-12,541,882.08

Finding the Fourth Proportional to 21,708,023.52, 29,953,583.28 and 12,541,882.08

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Solution

The fourth proportional to 21,708,023.52, 29,953,583.28 and 12,541,882.08 is: 17,305,781.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,708,023.52 : 29,953,583.28 = 12,541,882.08 : x
  2. Step 2: Convert to fraction form
    21,708,023.52/29,953,583.28 = 12,541,882.08/x
  3. Step 3: Cross multiply
    21,708,023.52x = 29,953,583.28 × 12,541,882.08
  4. Step 4: Simplify right side
    21,708,023.52x = 375,674,309,371,219.62
  5. Step 5: Solve for x
    x = 375,674,309,371,219.62/21,708,023.52
  6. Step 6: Final answer
    x = 17,305,781.39

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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.