Home / 13,591,108.50-18,755,724.26-7,479,537

Finding the Fourth Proportional to 13,591,108.50, 18,755,724.26 and 7,479,537

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Solution

The fourth proportional to 13,591,108.50, 18,755,724.26 and 7,479,537 is: 10,321,758.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,591,108.50 : 18,755,724.26 = 7,479,537 : x
  2. Step 2: Convert to fraction form
    13,591,108.50/18,755,724.26 = 7,479,537/x
  3. Step 3: Cross multiply
    13,591,108.50x = 18,755,724.26 × 7,479,537
  4. Step 4: Simplify right side
    13,591,108.50x = 140,284,133,564,467.62
  5. Step 5: Solve for x
    x = 140,284,133,564,467.62/13,591,108.50
  6. Step 6: Final answer
    x = 10,321,758.05

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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.