Home / 15,398,691.30-21,247,969.82-8,523,156.96

Finding the Fourth Proportional to 15,398,691.30, 21,247,969.82 and 8,523,156.96

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Solution

The fourth proportional to 15,398,691.30, 21,247,969.82 and 8,523,156.96 is: 11,760,725.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,398,691.30 : 21,247,969.82 = 8,523,156.96 : x
  2. Step 2: Convert to fraction form
    15,398,691.30/21,247,969.82 = 8,523,156.96/x
  3. Step 3: Cross multiply
    15,398,691.30x = 21,247,969.82 × 8,523,156.96
  4. Step 4: Simplify right side
    15,398,691.30x = 181,099,781,814,587.19
  5. Step 5: Solve for x
    x = 181,099,781,814,587.19/15,398,691.30
  6. Step 6: Final answer
    x = 11,760,725.52

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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.