Home / 21,859,841.62-32,801,110.64-8,915,488.88

Finding the Fourth Proportional to 21,859,841.62, 32,801,110.64 and 8,915,488.88

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Solution

The fourth proportional to 21,859,841.62, 32,801,110.64 and 8,915,488.88 is: 13,377,861.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,859,841.62 : 32,801,110.64 = 8,915,488.88 : x
  2. Step 2: Convert to fraction form
    21,859,841.62/32,801,110.64 = 8,915,488.88/x
  3. Step 3: Cross multiply
    21,859,841.62x = 32,801,110.64 × 8,915,488.88
  4. Step 4: Simplify right side
    21,859,841.62x = 292,437,937,117,992.25
  5. Step 5: Solve for x
    x = 292,437,937,117,992.25/21,859,841.62
  6. Step 6: Final answer
    x = 13,377,861.66

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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.