Home / 20,151,095.70-27,808,519.55-11,449,279.74

Finding the Fourth Proportional to 20,151,095.70, 27,808,519.55 and 11,449,279.74

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Solution

The fourth proportional to 20,151,095.70, 27,808,519.55 and 11,449,279.74 is: 15,800,010.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,151,095.70 : 27,808,519.55 = 11,449,279.74 : x
  2. Step 2: Convert to fraction form
    20,151,095.70/27,808,519.55 = 11,449,279.74/x
  3. Step 3: Cross multiply
    20,151,095.70x = 27,808,519.55 × 11,449,279.74
  4. Step 4: Simplify right side
    20,151,095.70x = 318,387,519,425,962.56
  5. Step 5: Solve for x
    x = 318,387,519,425,962.56/20,151,095.70
  6. Step 6: Final answer
    x = 15,800,010.29

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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.