Home / 13,425,539.20-20,138,308.80-3,841,489.60

Finding the Fourth Proportional to 13,425,539.20, 20,138,308.80 and 3,841,489.60

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Solution

The fourth proportional to 13,425,539.20, 20,138,308.80 and 3,841,489.60 is: 5,762,234.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,425,539.20 : 20,138,308.80 = 3,841,489.60 : x
  2. Step 2: Convert to fraction form
    13,425,539.20/20,138,308.80 = 3,841,489.60/x
  3. Step 3: Cross multiply
    13,425,539.20x = 20,138,308.80 × 3,841,489.60
  4. Step 4: Simplify right side
    13,425,539.20x = 77,361,103,816,788.48
  5. Step 5: Solve for x
    x = 77,361,103,816,788.48/13,425,539.20
  6. Step 6: Final answer
    x = 5,762,234.40

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1.5x scale

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.