Home / 7,884,868.30-11,808,640.05-5,346,781.90

Finding the Fourth Proportional to 7,884,868.30, 11,808,640.05 and 5,346,781.90

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Solution

The fourth proportional to 7,884,868.30, 11,808,640.05 and 5,346,781.90 is: 8,007,517.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,884,868.30 : 11,808,640.05 = 5,346,781.90 : x
  2. Step 2: Convert to fraction form
    7,884,868.30/11,808,640.05 = 5,346,781.90/x
  3. Step 3: Cross multiply
    7,884,868.30x = 11,808,640.05 × 5,346,781.90
  4. Step 4: Simplify right side
    7,884,868.30x = 63,138,222,882,955.10
  5. Step 5: Solve for x
    x = 63,138,222,882,955.10/7,884,868.30
  6. Step 6: Final answer
    x = 8,007,517.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.