Home / 20,127,560.20-30,167,720.70-8,613,005.20

Finding the Fourth Proportional to 20,127,560.20, 30,167,720.70 and 8,613,005.20

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Solution

The fourth proportional to 20,127,560.20, 30,167,720.70 and 8,613,005.20 is: 12,909,400.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,127,560.20 : 30,167,720.70 = 8,613,005.20 : x
  2. Step 2: Convert to fraction form
    20,127,560.20/30,167,720.70 = 8,613,005.20/x
  3. Step 3: Cross multiply
    20,127,560.20x = 30,167,720.70 × 8,613,005.20
  4. Step 4: Simplify right side
    20,127,560.20x = 259,834,735,261,247.62
  5. Step 5: Solve for x
    x = 259,834,735,261,247.62/20,127,560.20
  6. Step 6: Final answer
    x = 12,909,400.48

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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.