Home / 21,737,487.12-29,998,040.32-11,948,836.40

Finding the Fourth Proportional to 21,737,487.12, 29,998,040.32 and 11,948,836.40

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Solution

The fourth proportional to 21,737,487.12, 29,998,040.32 and 11,948,836.40 is: 16,489,563.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,737,487.12 : 29,998,040.32 = 11,948,836.40 : x
  2. Step 2: Convert to fraction form
    21,737,487.12/29,998,040.32 = 11,948,836.40/x
  3. Step 3: Cross multiply
    21,737,487.12x = 29,998,040.32 × 11,948,836.40
  4. Step 4: Simplify right side
    21,737,487.12x = 358,441,676,104,283.69
  5. Step 5: Solve for x
    x = 358,441,676,104,283.69/21,737,487.12
  6. Step 6: Final answer
    x = 16,489,563.59

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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.