Home / 7,149,025.40-9,865,721.08-3,885,847.80

Finding the Fourth Proportional to 7,149,025.40, 9,865,721.08 and 3,885,847.80

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Solution

The fourth proportional to 7,149,025.40, 9,865,721.08 and 3,885,847.80 is: 5,362,505.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,149,025.40 : 9,865,721.08 = 3,885,847.80 : x
  2. Step 2: Convert to fraction form
    7,149,025.40/9,865,721.08 = 3,885,847.80/x
  3. Step 3: Cross multiply
    7,149,025.40x = 9,865,721.08 × 3,885,847.80
  4. Step 4: Simplify right side
    7,149,025.40x = 38,336,690,554,131.62
  5. Step 5: Solve for x
    x = 38,336,690,554,131.62/7,149,025.40
  6. Step 6: Final answer
    x = 5,362,505.85

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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.