Home / 7,868,396.96-10,859,422.56-4,431,309.92

Finding the Fourth Proportional to 7,868,396.96, 10,859,422.56 and 4,431,309.92

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Solution

The fourth proportional to 7,868,396.96, 10,859,422.56 and 4,431,309.92 is: 6,115,790.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,868,396.96 : 10,859,422.56 = 4,431,309.92 : x
  2. Step 2: Convert to fraction form
    7,868,396.96/10,859,422.56 = 4,431,309.92/x
  3. Step 3: Cross multiply
    7,868,396.96x = 10,859,422.56 × 4,431,309.92
  4. Step 4: Simplify right side
    7,868,396.96x = 48,121,466,915,599.80
  5. Step 5: Solve for x
    x = 48,121,466,915,599.80/7,868,396.96
  6. Step 6: Final answer
    x = 6,115,790.44

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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.