Home / 12,069,010.80-18,103,516.20-3,983,234.40

Finding the Fourth Proportional to 12,069,010.80, 18,103,516.20 and 3,983,234.40

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Solution

The fourth proportional to 12,069,010.80, 18,103,516.20 and 3,983,234.40 is: 5,974,851.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,069,010.80 : 18,103,516.20 = 3,983,234.40 : x
  2. Step 2: Convert to fraction form
    12,069,010.80/18,103,516.20 = 3,983,234.40/x
  3. Step 3: Cross multiply
    12,069,010.80x = 18,103,516.20 × 3,983,234.40
  4. Step 4: Simplify right side
    12,069,010.80x = 72,110,548,488,797.28
  5. Step 5: Solve for x
    x = 72,110,548,488,797.28/12,069,010.80
  6. Step 6: Final answer
    x = 5,974,851.60

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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.