Home / 21,314,859.52-31,982,787.12-9,953,656.96

Finding the Fourth Proportional to 21,314,859.52, 31,982,787.12 and 9,953,656.96

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Solution

The fourth proportional to 21,314,859.52, 31,982,787.12 and 9,953,656.96 is: 14,935,387.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,314,859.52 : 31,982,787.12 = 9,953,656.96 : x
  2. Step 2: Convert to fraction form
    21,314,859.52/31,982,787.12 = 9,953,656.96/x
  3. Step 3: Cross multiply
    21,314,859.52x = 31,982,787.12 × 9,953,656.96
  4. Step 4: Simplify right side
    21,314,859.52x = 318,345,691,617,186.38
  5. Step 5: Solve for x
    x = 318,345,691,617,186.38/21,314,859.52
  6. Step 6: Final answer
    x = 14,935,387.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.