Home / 14,221,213.20-21,331,819.80-11,386,861.20

Finding the Fourth Proportional to 14,221,213.20, 21,331,819.80 and 11,386,861.20

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Solution

The fourth proportional to 14,221,213.20, 21,331,819.80 and 11,386,861.20 is: 17,080,291.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,221,213.20 : 21,331,819.80 = 11,386,861.20 : x
  2. Step 2: Convert to fraction form
    14,221,213.20/21,331,819.80 = 11,386,861.20/x
  3. Step 3: Cross multiply
    14,221,213.20x = 21,331,819.80 × 11,386,861.20
  4. Step 4: Simplify right side
    14,221,213.20x = 242,902,471,206,011.75
  5. Step 5: Solve for x
    x = 242,902,471,206,011.75/14,221,213.20
  6. Step 6: Final answer
    x = 17,080,291.80

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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.