Home / 8,170,359.60-12,255,539.40-4,981,713.60

Finding the Fourth Proportional to 8,170,359.60, 12,255,539.40 and 4,981,713.60

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Solution

The fourth proportional to 8,170,359.60, 12,255,539.40 and 4,981,713.60 is: 7,472,570.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,170,359.60 : 12,255,539.40 = 4,981,713.60 : x
  2. Step 2: Convert to fraction form
    8,170,359.60/12,255,539.40 = 4,981,713.60/x
  3. Step 3: Cross multiply
    8,170,359.60x = 12,255,539.40 × 4,981,713.60
  4. Step 4: Simplify right side
    8,170,359.60x = 61,053,587,304,315.84
  5. Step 5: Solve for x
    x = 61,053,587,304,315.84/8,170,359.60
  6. Step 6: Final answer
    x = 7,472,570.40

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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.