Home / 12,131,544.20-18,197,316.30-5,754,252.20

Finding the Fourth Proportional to 12,131,544.20, 18,197,316.30 and 5,754,252.20

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Solution

The fourth proportional to 12,131,544.20, 18,197,316.30 and 5,754,252.20 is: 8,631,378.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,131,544.20 : 18,197,316.30 = 5,754,252.20 : x
  2. Step 2: Convert to fraction form
    12,131,544.20/18,197,316.30 = 5,754,252.20/x
  3. Step 3: Cross multiply
    12,131,544.20x = 18,197,316.30 × 5,754,252.20
  4. Step 4: Simplify right side
    12,131,544.20x = 104,711,947,353,370.88
  5. Step 5: Solve for x
    x = 104,711,947,353,370.88/12,131,544.20
  6. Step 6: Final answer
    x = 8,631,378.30

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Similar ratio
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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.