Home / 6,690,712.32-9,231,148.80-3,789,642.24

Finding the Fourth Proportional to 6,690,712.32, 9,231,148.80 and 3,789,642.24

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Solution

The fourth proportional to 6,690,712.32, 9,231,148.80 and 3,789,642.24 is: 5,228,554.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,690,712.32 : 9,231,148.80 = 3,789,642.24 : x
  2. Step 2: Convert to fraction form
    6,690,712.32/9,231,148.80 = 3,789,642.24/x
  3. Step 3: Cross multiply
    6,690,712.32x = 9,231,148.80 × 3,789,642.24
  4. Step 4: Simplify right side
    6,690,712.32x = 34,982,751,416,205.32
  5. Step 5: Solve for x
    x = 34,982,751,416,205.32/6,690,712.32
  6. Step 6: Final answer
    x = 5,228,554.11

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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.