Home / 15,787,002.76-21,786,063.62-8,543,658.76

Finding the Fourth Proportional to 15,787,002.76, 21,786,063.62 and 8,543,658.76

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Solution

The fourth proportional to 15,787,002.76, 21,786,063.62 and 8,543,658.76 is: 11,790,248.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,787,002.76 : 21,786,063.62 = 8,543,658.76 : x
  2. Step 2: Convert to fraction form
    15,787,002.76/21,786,063.62 = 8,543,658.76/x
  3. Step 3: Cross multiply
    15,787,002.76x = 21,786,063.62 × 8,543,658.76
  4. Step 4: Simplify right side
    15,787,002.76x = 186,132,693,195,746.84
  5. Step 5: Solve for x
    x = 186,132,693,195,746.84/15,787,002.76
  6. Step 6: Final answer
    x = 11,790,248.98

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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.