Home / 19,820,942.52-27,346,770.61-11,555,154.01

Finding the Fourth Proportional to 19,820,942.52, 27,346,770.61 and 11,555,154.01

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Solution

The fourth proportional to 19,820,942.52, 27,346,770.61 and 11,555,154.01 is: 15,942,538.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,820,942.52 : 27,346,770.61 = 11,555,154.01 : x
  2. Step 2: Convert to fraction form
    19,820,942.52/27,346,770.61 = 11,555,154.01/x
  3. Step 3: Cross multiply
    19,820,942.52x = 27,346,770.61 × 11,555,154.01
  4. Step 4: Simplify right side
    19,820,942.52x = 315,996,146,074,691.62
  5. Step 5: Solve for x
    x = 315,996,146,074,691.62/19,820,942.52
  6. Step 6: Final answer
    x = 15,942,538.85

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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.