Home / 52,488,000.70-78,732,001.05-18,412,791.10

Finding the Fourth Proportional to 52,488,000.70, 78,732,001.05 and 18,412,791.10

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Solution

The fourth proportional to 52,488,000.70, 78,732,001.05 and 18,412,791.10 is: 27,619,186.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,488,000.70 : 78,732,001.05 = 18,412,791.10 : x
  2. Step 2: Convert to fraction form
    52,488,000.70/78,732,001.05 = 18,412,791.10/x
  3. Step 3: Cross multiply
    52,488,000.70x = 78,732,001.05 × 18,412,791.10
  4. Step 4: Simplify right side
    52,488,000.70x = 1,449,675,888,218,630.75
  5. Step 5: Solve for x
    x = 1,449,675,888,218,630.75/52,488,000.70
  6. Step 6: Final answer
    x = 27,619,186.65

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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.