Home / 12,961,314.87-17,887,157.97-7,454,691.26

Finding the Fourth Proportional to 12,961,314.87, 17,887,157.97 and 7,454,691.26

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Solution

The fourth proportional to 12,961,314.87, 17,887,157.97 and 7,454,691.26 is: 10,287,786.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,961,314.87 : 17,887,157.97 = 7,454,691.26 : x
  2. Step 2: Convert to fraction form
    12,961,314.87/17,887,157.97 = 7,454,691.26/x
  3. Step 3: Cross multiply
    12,961,314.87x = 17,887,157.97 × 7,454,691.26
  4. Step 4: Simplify right side
    12,961,314.87x = 133,343,240,147,924.88
  5. Step 5: Solve for x
    x = 133,343,240,147,924.88/12,961,314.87
  6. Step 6: Final answer
    x = 10,287,786.50

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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.