Home / 13,488,351.20-20,232,526.80-9,378,540.80

Finding the Fourth Proportional to 13,488,351.20, 20,232,526.80 and 9,378,540.80

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Solution

The fourth proportional to 13,488,351.20, 20,232,526.80 and 9,378,540.80 is: 14,067,811.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,488,351.20 : 20,232,526.80 = 9,378,540.80 : x
  2. Step 2: Convert to fraction form
    13,488,351.20/20,232,526.80 = 9,378,540.80/x
  3. Step 3: Cross multiply
    13,488,351.20x = 20,232,526.80 × 9,378,540.80
  4. Step 4: Simplify right side
    13,488,351.20x = 189,751,578,080,893.47
  5. Step 5: Solve for x
    x = 189,751,578,080,893.47/13,488,351.20
  6. Step 6: Final answer
    x = 14,067,811.20

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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.