Home / 10,881,229.80-16,321,844.70-9,686,836.20

Finding the Fourth Proportional to 10,881,229.80, 16,321,844.70 and 9,686,836.20

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Solution

The fourth proportional to 10,881,229.80, 16,321,844.70 and 9,686,836.20 is: 14,530,254.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,881,229.80 : 16,321,844.70 = 9,686,836.20 : x
  2. Step 2: Convert to fraction form
    10,881,229.80/16,321,844.70 = 9,686,836.20/x
  3. Step 3: Cross multiply
    10,881,229.80x = 16,321,844.70 × 9,686,836.20
  4. Step 4: Simplify right side
    10,881,229.80x = 158,107,036,090,738.12
  5. Step 5: Solve for x
    x = 158,107,036,090,738.12/10,881,229.80
  6. Step 6: Final answer
    x = 14,530,254.30

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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.