Home / 15,001,704.93-20,702,452.17-8,126,186.92

Finding the Fourth Proportional to 15,001,704.93, 20,702,452.17 and 8,126,186.92

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Solution

The fourth proportional to 15,001,704.93, 20,702,452.17 and 8,126,186.92 is: 11,214,191.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,001,704.93 : 20,702,452.17 = 8,126,186.92 : x
  2. Step 2: Convert to fraction form
    15,001,704.93/20,702,452.17 = 8,126,186.92/x
  3. Step 3: Cross multiply
    15,001,704.93x = 20,702,452.17 × 8,126,186.92
  4. Step 4: Simplify right side
    15,001,704.93x = 168,231,996,035,779.62
  5. Step 5: Solve for x
    x = 168,231,996,035,779.62/15,001,704.93
  6. Step 6: Final answer
    x = 11,214,191.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.