Home / 8,517,780.60-12,776,670.90-5,494,471.80

Finding the Fourth Proportional to 8,517,780.60, 12,776,670.90 and 5,494,471.80

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Solution

The fourth proportional to 8,517,780.60, 12,776,670.90 and 5,494,471.80 is: 8,241,707.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,517,780.60 : 12,776,670.90 = 5,494,471.80 : x
  2. Step 2: Convert to fraction form
    8,517,780.60/12,776,670.90 = 5,494,471.80/x
  3. Step 3: Cross multiply
    8,517,780.60x = 12,776,670.90 × 5,494,471.80
  4. Step 4: Simplify right side
    8,517,780.60x = 70,201,057,957,930.62
  5. Step 5: Solve for x
    x = 70,201,057,957,930.62/8,517,780.60
  6. Step 6: Final answer
    x = 8,241,707.70

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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.