Home / 8,857,314.12-12,223,996.38-5,421,825.48

Finding the Fourth Proportional to 8,857,314.12, 12,223,996.38 and 5,421,825.48

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Solution

The fourth proportional to 8,857,314.12, 12,223,996.38 and 5,421,825.48 is: 7,482,671.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,857,314.12 : 12,223,996.38 = 5,421,825.48 : x
  2. Step 2: Convert to fraction form
    8,857,314.12/12,223,996.38 = 5,421,825.48/x
  3. Step 3: Cross multiply
    8,857,314.12x = 12,223,996.38 × 5,421,825.48
  4. Step 4: Simplify right side
    8,857,314.12x = 66,276,375,040,511.77
  5. Step 5: Solve for x
    x = 66,276,375,040,511.77/8,857,314.12
  6. Step 6: Final answer
    x = 7,482,671.85

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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.