Home / 13,488,328.20-20,232,492.30-9,378,517.80

Finding the Fourth Proportional to 13,488,328.20, 20,232,492.30 and 9,378,517.80

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Solution

The fourth proportional to 13,488,328.20, 20,232,492.30 and 9,378,517.80 is: 14,067,776.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,488,328.20 : 20,232,492.30 = 9,378,517.80 : x
  2. Step 2: Convert to fraction form
    13,488,328.20/20,232,492.30 = 9,378,517.80/x
  3. Step 3: Cross multiply
    13,488,328.20x = 20,232,492.30 × 9,378,517.80
  4. Step 4: Simplify right side
    13,488,328.20x = 189,750,789,173,912.97
  5. Step 5: Solve for x
    x = 189,750,789,173,912.97/13,488,328.20
  6. Step 6: Final answer
    x = 14,067,776.70

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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.