Home / 9,172,456.80-13,758,685.20-8,180,433.60

Finding the Fourth Proportional to 9,172,456.80, 13,758,685.20 and 8,180,433.60

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Solution

The fourth proportional to 9,172,456.80, 13,758,685.20 and 8,180,433.60 is: 12,270,650.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,172,456.80 : 13,758,685.20 = 8,180,433.60 : x
  2. Step 2: Convert to fraction form
    9,172,456.80/13,758,685.20 = 8,180,433.60/x
  3. Step 3: Cross multiply
    9,172,456.80x = 13,758,685.20 × 8,180,433.60
  4. Step 4: Simplify right side
    9,172,456.80x = 112,552,010,701,902.70
  5. Step 5: Solve for x
    x = 112,552,010,701,902.70/9,172,456.80
  6. Step 6: Final answer
    x = 12,270,650.40

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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.