Home / 10,676,905.80-16,015,358.70-8,881,816.20

Finding the Fourth Proportional to 10,676,905.80, 16,015,358.70 and 8,881,816.20

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Solution

The fourth proportional to 10,676,905.80, 16,015,358.70 and 8,881,816.20 is: 13,322,724.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,676,905.80 : 16,015,358.70 = 8,881,816.20 : x
  2. Step 2: Convert to fraction form
    10,676,905.80/16,015,358.70 = 8,881,816.20/x
  3. Step 3: Cross multiply
    10,676,905.80x = 16,015,358.70 × 8,881,816.20
  4. Step 4: Simplify right side
    10,676,905.80x = 142,245,472,350,470.91
  5. Step 5: Solve for x
    x = 142,245,472,350,470.91/10,676,905.80
  6. Step 6: Final answer
    x = 13,322,724.30

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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.