Home / 15,586,616.20-21,508,894.88-8,616,850.15

Finding the Fourth Proportional to 15,586,616.20, 21,508,894.88 and 8,616,850.15

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Solution

The fourth proportional to 15,586,616.20, 21,508,894.88 and 8,616,850.15 is: 11,890,901.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,586,616.20 : 21,508,894.88 = 8,616,850.15 : x
  2. Step 2: Convert to fraction form
    15,586,616.20/21,508,894.88 = 8,616,850.15/x
  3. Step 3: Cross multiply
    15,586,616.20x = 21,508,894.88 × 8,616,850.15
  4. Step 4: Simplify right side
    15,586,616.20x = 185,338,924,029,978
  5. Step 5: Solve for x
    x = 185,338,924,029,978/15,586,616.20
  6. Step 6: Final answer
    x = 11,890,901.89

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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.