Home / 21,581,774.70-29,781,962.82-11,792,554.92

Finding the Fourth Proportional to 21,581,774.70, 29,781,962.82 and 11,792,554.92

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Solution

The fourth proportional to 21,581,774.70, 29,781,962.82 and 11,792,554.92 is: 16,273,241.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,581,774.70 : 29,781,962.82 = 11,792,554.92 : x
  2. Step 2: Convert to fraction form
    21,581,774.70/29,781,962.82 = 11,792,554.92/x
  3. Step 3: Cross multiply
    21,581,774.70x = 29,781,962.82 × 11,792,554.92
  4. Step 4: Simplify right side
    21,581,774.70x = 351,205,432,180,248.06
  5. Step 5: Solve for x
    x = 351,205,432,180,248.06/21,581,774.70
  6. Step 6: Final answer
    x = 16,273,241.52

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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.