Home / 20,177,587.55-30,260,777.20-5,601,155.87

Finding the Fourth Proportional to 20,177,587.55, 30,260,777.20 and 5,601,155.87

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Solution

The fourth proportional to 20,177,587.55, 30,260,777.20 and 5,601,155.87 is: 8,400,178.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,177,587.55 : 30,260,777.20 = 5,601,155.87 : x
  2. Step 2: Convert to fraction form
    20,177,587.55/30,260,777.20 = 5,601,155.87/x
  3. Step 3: Cross multiply
    20,177,587.55x = 30,260,777.20 × 5,601,155.87
  4. Step 4: Simplify right side
    20,177,587.55x = 169,495,329,906,191.22
  5. Step 5: Solve for x
    x = 169,495,329,906,191.22/20,177,587.55
  6. Step 6: Final answer
    x = 8,400,178.14

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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.