Home / 21,612,898.15-32,416,951.17-5,438,853.79

Finding the Fourth Proportional to 21,612,898.15, 32,416,951.17 and 5,438,853.79

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Solution

The fourth proportional to 21,612,898.15, 32,416,951.17 and 5,438,853.79 is: 8,157,677.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,612,898.15 : 32,416,951.17 = 5,438,853.79 : x
  2. Step 2: Convert to fraction form
    21,612,898.15/32,416,951.17 = 5,438,853.79/x
  3. Step 3: Cross multiply
    21,612,898.15x = 32,416,951.17 × 5,438,853.79
  4. Step 4: Simplify right side
    21,612,898.15x = 176,311,057,670,552.75
  5. Step 5: Solve for x
    x = 176,311,057,670,552.75/21,612,898.15
  6. Step 6: Final answer
    x = 8,157,677.72

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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.