Home / 18,924,855.11-28,387,282.66-5,972,318.52

Finding the Fourth Proportional to 18,924,855.11, 28,387,282.66 and 5,972,318.52

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Solution

The fourth proportional to 18,924,855.11, 28,387,282.66 and 5,972,318.52 is: 8,958,477.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,924,855.11 : 28,387,282.66 = 5,972,318.52 : x
  2. Step 2: Convert to fraction form
    18,924,855.11/28,387,282.66 = 5,972,318.52/x
  3. Step 3: Cross multiply
    18,924,855.11x = 28,387,282.66 × 5,972,318.52
  4. Step 4: Simplify right side
    18,924,855.11x = 169,537,894,033,761.06
  5. Step 5: Solve for x
    x = 169,537,894,033,761.06/18,924,855.11
  6. Step 6: Final answer
    x = 8,958,477.78

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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.