Home / 19,327,508.32-28,991,268.24-5,680,657.12

Finding the Fourth Proportional to 19,327,508.32, 28,991,268.24 and 5,680,657.12

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Solution

The fourth proportional to 19,327,508.32, 28,991,268.24 and 5,680,657.12 is: 8,520,987.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,327,508.32 : 28,991,268.24 = 5,680,657.12 : x
  2. Step 2: Convert to fraction form
    19,327,508.32/28,991,268.24 = 5,680,657.12/x
  3. Step 3: Cross multiply
    19,327,508.32x = 28,991,268.24 × 5,680,657.12
  4. Step 4: Simplify right side
    19,327,508.32x = 164,689,454,345,385.88
  5. Step 5: Solve for x
    x = 164,689,454,345,385.88/19,327,508.32
  6. Step 6: Final answer
    x = 8,520,987.37

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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.