Home / 13,442,406.60-20,126,285.10-13,069,158.60

Finding the Fourth Proportional to 13,442,406.60, 20,126,285.10 and 13,069,158.60

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Solution

The fourth proportional to 13,442,406.60, 20,126,285.10 and 13,069,158.60 is: 19,567,449.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,442,406.60 : 20,126,285.10 = 13,069,158.60 : x
  2. Step 2: Convert to fraction form
    13,442,406.60/20,126,285.10 = 13,069,158.60/x
  3. Step 3: Cross multiply
    13,442,406.60x = 20,126,285.10 × 13,069,158.60
  4. Step 4: Simplify right side
    13,442,406.60x = 263,033,612,000,716.88
  5. Step 5: Solve for x
    x = 263,033,612,000,716.88/13,442,406.60
  6. Step 6: Final answer
    x = 19,567,449.48

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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.