Home / 7,167,986.70-9,891,817.29-3,948,722.70

Finding the Fourth Proportional to 7,167,986.70, 9,891,817.29 and 3,948,722.70

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Solution

The fourth proportional to 7,167,986.70, 9,891,817.29 and 3,948,722.70 is: 5,449,234.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,167,986.70 : 9,891,817.29 = 3,948,722.70 : x
  2. Step 2: Convert to fraction form
    7,167,986.70/9,891,817.29 = 3,948,722.70/x
  3. Step 3: Cross multiply
    7,167,986.70x = 9,891,817.29 × 3,948,722.70
  4. Step 4: Simplify right side
    7,167,986.70x = 39,060,043,477,275.48
  5. Step 5: Solve for x
    x = 39,060,043,477,275.48/7,167,986.70
  6. Step 6: Final answer
    x = 5,449,234.93

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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.