Home / 20,526,432.19-28,175,589.38-18,151,284.58

Finding the Fourth Proportional to 20,526,432.19, 28,175,589.38 and 18,151,284.58

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Solution

The fourth proportional to 20,526,432.19, 28,175,589.38 and 18,151,284.58 is: 24,915,345.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,526,432.19 : 28,175,589.38 = 18,151,284.58 : x
  2. Step 2: Convert to fraction form
    20,526,432.19/28,175,589.38 = 18,151,284.58/x
  3. Step 3: Cross multiply
    20,526,432.19x = 28,175,589.38 × 18,151,284.58
  4. Step 4: Simplify right side
    20,526,432.19x = 511,423,141,179,032.69
  5. Step 5: Solve for x
    x = 511,423,141,179,032.69/20,526,432.19
  6. Step 6: Final answer
    x = 24,915,345.07

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.