Home / 8,701,141.95-12,008,619.71-5,218,396.73

Finding the Fourth Proportional to 8,701,141.95, 12,008,619.71 and 5,218,396.73

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Solution

The fourth proportional to 8,701,141.95, 12,008,619.71 and 5,218,396.73 is: 7,202,013.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,701,141.95 : 12,008,619.71 = 5,218,396.73 : x
  2. Step 2: Convert to fraction form
    8,701,141.95/12,008,619.71 = 5,218,396.73/x
  3. Step 3: Cross multiply
    8,701,141.95x = 12,008,619.71 × 5,218,396.73
  4. Step 4: Simplify right side
    8,701,141.95x = 62,665,741,876,514.77
  5. Step 5: Solve for x
    x = 62,665,741,876,514.77/8,701,141.95
  6. Step 6: Final answer
    x = 7,202,013.51

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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.