Home / 20,306,159.13-30,468,540.12-8,795,147.07

Finding the Fourth Proportional to 20,306,159.13, 30,468,540.12 and 8,795,147.07

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Solution

The fourth proportional to 20,306,159.13, 30,468,540.12 and 8,795,147.07 is: 13,196,749.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,306,159.13 : 30,468,540.12 = 8,795,147.07 : x
  2. Step 2: Convert to fraction form
    20,306,159.13/30,468,540.12 = 8,795,147.07/x
  3. Step 3: Cross multiply
    20,306,159.13x = 30,468,540.12 × 8,795,147.07
  4. Step 4: Simplify right side
    20,306,159.13x = 267,975,291,363,595.47
  5. Step 5: Solve for x
    x = 267,975,291,363,595.47/20,306,159.13
  6. Step 6: Final answer
    x = 13,196,749.30

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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.