Home / 21,017,890.29-31,527,773.43-6,443,761.17

Finding the Fourth Proportional to 21,017,890.29, 31,527,773.43 and 6,443,761.17

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Solution

The fourth proportional to 21,017,890.29, 31,527,773.43 and 6,443,761.17 is: 9,665,929.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,017,890.29 : 31,527,773.43 = 6,443,761.17 : x
  2. Step 2: Convert to fraction form
    21,017,890.29/31,527,773.43 = 6,443,761.17/x
  3. Step 3: Cross multiply
    21,017,890.29x = 31,527,773.43 × 6,443,761.17
  4. Step 4: Simplify right side
    21,017,890.29x = 203,157,442,204,791.72
  5. Step 5: Solve for x
    x = 203,157,442,204,791.72/21,017,890.29
  6. Step 6: Final answer
    x = 9,665,929.33

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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.