Home / 18,687,633.10-28,031,449.65-18,372,705.10

Finding the Fourth Proportional to 18,687,633.10, 28,031,449.65 and 18,372,705.10

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Solution

The fourth proportional to 18,687,633.10, 28,031,449.65 and 18,372,705.10 is: 27,559,057.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,687,633.10 : 28,031,449.65 = 18,372,705.10 : x
  2. Step 2: Convert to fraction form
    18,687,633.10/28,031,449.65 = 18,372,705.10/x
  3. Step 3: Cross multiply
    18,687,633.10x = 28,031,449.65 × 18,372,705.10
  4. Step 4: Simplify right side
    18,687,633.10x = 515,013,557,944,948.25
  5. Step 5: Solve for x
    x = 515,013,557,944,948.25/18,687,633.10
  6. Step 6: Final answer
    x = 27,559,057.65

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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.