Home / 20,158,844.70-30,230,404.65-8,791,542.30

Finding the Fourth Proportional to 20,158,844.70, 30,230,404.65 and 8,791,542.30

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Solution

The fourth proportional to 20,158,844.70, 30,230,404.65 and 8,791,542.30 is: 13,183,884.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,158,844.70 : 30,230,404.65 = 8,791,542.30 : x
  2. Step 2: Convert to fraction form
    20,158,844.70/30,230,404.65 = 8,791,542.30/x
  3. Step 3: Cross multiply
    20,158,844.70x = 30,230,404.65 × 8,791,542.30
  4. Step 4: Simplify right side
    20,158,844.70x = 265,771,881,226,591.72
  5. Step 5: Solve for x
    x = 265,771,881,226,591.72/20,158,844.70
  6. Step 6: Final answer
    x = 13,183,884.55

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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.