Home / 13,609,872.10-20,418,416.70-5,930,221.60

Finding the Fourth Proportional to 13,609,872.10, 20,418,416.70 and 5,930,221.60

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Solution

The fourth proportional to 13,609,872.10, 20,418,416.70 and 5,930,221.60 is: 8,896,904.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,609,872.10 : 20,418,416.70 = 5,930,221.60 : x
  2. Step 2: Convert to fraction form
    13,609,872.10/20,418,416.70 = 5,930,221.60/x
  3. Step 3: Cross multiply
    13,609,872.10x = 20,418,416.70 × 5,930,221.60
  4. Step 4: Simplify right side
    13,609,872.10x = 121,085,735,752,140.70
  5. Step 5: Solve for x
    x = 121,085,735,752,140.70/13,609,872.10
  6. Step 6: Final answer
    x = 8,896,904.75

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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.