Home / 15,257,454.32-21,055,294.68-8,382,379.16

Finding the Fourth Proportional to 15,257,454.32, 21,055,294.68 and 8,382,379.16

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Solution

The fourth proportional to 15,257,454.32, 21,055,294.68 and 8,382,379.16 is: 11,567,687.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,257,454.32 : 21,055,294.68 = 8,382,379.16 : x
  2. Step 2: Convert to fraction form
    15,257,454.32/21,055,294.68 = 8,382,379.16/x
  3. Step 3: Cross multiply
    15,257,454.32x = 21,055,294.68 × 8,382,379.16
  4. Step 4: Simplify right side
    15,257,454.32x = 176,493,463,333,290.88
  5. Step 5: Solve for x
    x = 176,493,463,333,290.88/15,257,454.32
  6. Step 6: Final answer
    x = 11,567,687.48

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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.