Home / 7,217,531.50-9,960,193.16-3,954,469.98

Finding the Fourth Proportional to 7,217,531.50, 9,960,193.16 and 3,954,469.98

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Solution

The fourth proportional to 7,217,531.50, 9,960,193.16 and 3,954,469.98 is: 5,457,168.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,217,531.50 : 9,960,193.16 = 3,954,469.98 : x
  2. Step 2: Convert to fraction form
    7,217,531.50/9,960,193.16 = 3,954,469.98/x
  3. Step 3: Cross multiply
    7,217,531.50x = 9,960,193.16 × 3,954,469.98
  4. Step 4: Simplify right side
    7,217,531.50x = 39,387,284,846,221.34
  5. Step 5: Solve for x
    x = 39,387,284,846,221.34/7,217,531.50
  6. Step 6: Final answer
    x = 5,457,168.40

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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.