Home / 15,454,231.10-21,325,772.08-8,578,171.88

Finding the Fourth Proportional to 15,454,231.10, 21,325,772.08 and 8,578,171.88

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Solution

The fourth proportional to 15,454,231.10, 21,325,772.08 and 8,578,171.88 is: 11,837,285.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,454,231.10 : 21,325,772.08 = 8,578,171.88 : x
  2. Step 2: Convert to fraction form
    15,454,231.10/21,325,772.08 = 8,578,171.88/x
  3. Step 3: Cross multiply
    15,454,231.10x = 21,325,772.08 × 8,578,171.88
  4. Step 4: Simplify right side
    15,454,231.10x = 182,936,138,375,945.12
  5. Step 5: Solve for x
    x = 182,936,138,375,945.12/15,454,231.10
  6. Step 6: Final answer
    x = 11,837,285.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.