Home / 21,255,425.10-29,331,543.15-11,836,701.90

Finding the Fourth Proportional to 21,255,425.10, 29,331,543.15 and 11,836,701.90

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Solution

The fourth proportional to 21,255,425.10, 29,331,543.15 and 11,836,701.90 is: 16,334,123.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,255,425.10 : 29,331,543.15 = 11,836,701.90 : x
  2. Step 2: Convert to fraction form
    21,255,425.10/29,331,543.15 = 11,836,701.90/x
  3. Step 3: Cross multiply
    21,255,425.10x = 29,331,543.15 × 11,836,701.90
  4. Step 4: Simplify right side
    21,255,425.10x = 347,188,732,533,537
  5. Step 5: Solve for x
    x = 347,188,732,533,537/21,255,425.10
  6. Step 6: Final answer
    x = 16,334,123.21

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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.