Home / 12,296,039.70-18,444,059.55-8,049,306.90

Finding the Fourth Proportional to 12,296,039.70, 18,444,059.55 and 8,049,306.90

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Solution

The fourth proportional to 12,296,039.70, 18,444,059.55 and 8,049,306.90 is: 12,073,960.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,296,039.70 : 18,444,059.55 = 8,049,306.90 : x
  2. Step 2: Convert to fraction form
    12,296,039.70/18,444,059.55 = 8,049,306.90/x
  3. Step 3: Cross multiply
    12,296,039.70x = 18,444,059.55 × 8,049,306.90
  4. Step 4: Simplify right side
    12,296,039.70x = 148,461,895,799,825.91
  5. Step 5: Solve for x
    x = 148,461,895,799,825.91/12,296,039.70
  6. Step 6: Final answer
    x = 12,073,960.35

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Similar ratio
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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.