Home / 18,991,540.08-28,487,345.76-4,614,620.04

Finding the Fourth Proportional to 18,991,540.08, 28,487,345.76 and 4,614,620.04

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Solution

The fourth proportional to 18,991,540.08, 28,487,345.76 and 4,614,620.04 is: 6,921,938.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,991,540.08 : 28,487,345.76 = 4,614,620.04 : x
  2. Step 2: Convert to fraction form
    18,991,540.08/28,487,345.76 = 4,614,620.04/x
  3. Step 3: Cross multiply
    18,991,540.08x = 28,487,345.76 × 4,614,620.04
  4. Step 4: Simplify right side
    18,991,540.08x = 131,458,276,630,505.03
  5. Step 5: Solve for x
    x = 131,458,276,630,505.03/18,991,540.08
  6. Step 6: Final answer
    x = 6,921,938.72

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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.