Home / 8,121,975.30-11,213,422.11-5,226,398.24

Finding the Fourth Proportional to 8,121,975.30, 11,213,422.11 and 5,226,398.24

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Solution

The fourth proportional to 8,121,975.30, 11,213,422.11 and 5,226,398.24 is: 7,215,708.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,121,975.30 : 11,213,422.11 = 5,226,398.24 : x
  2. Step 2: Convert to fraction form
    8,121,975.30/11,213,422.11 = 5,226,398.24/x
  3. Step 3: Cross multiply
    8,121,975.30x = 11,213,422.11 × 5,226,398.24
  4. Step 4: Simplify right side
    8,121,975.30x = 58,605,809,524,013.98
  5. Step 5: Solve for x
    x = 58,605,809,524,013.98/8,121,975.30
  6. Step 6: Final answer
    x = 7,215,708.91

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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.