Home / 21,596,115.56-32,358,299.20-15,192,914.88

Finding the Fourth Proportional to 21,596,115.56, 32,358,299.20 and 15,192,914.88

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Solution

The fourth proportional to 21,596,115.56, 32,358,299.20 and 15,192,914.88 is: 22,764,134.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,596,115.56 : 32,358,299.20 = 15,192,914.88 : x
  2. Step 2: Convert to fraction form
    21,596,115.56/32,358,299.20 = 15,192,914.88/x
  3. Step 3: Cross multiply
    21,596,115.56x = 32,358,299.20 × 15,192,914.88
  4. Step 4: Simplify right side
    21,596,115.56x = 491,616,885,407,172.12
  5. Step 5: Solve for x
    x = 491,616,885,407,172.12/21,596,115.56
  6. Step 6: Final answer
    x = 22,764,134.78

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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.