Home / 13,676,712.20-20,512,443.90-4,092,403.40

Finding the Fourth Proportional to 13,676,712.20, 20,512,443.90 and 4,092,403.40

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Solution

The fourth proportional to 13,676,712.20, 20,512,443.90 and 4,092,403.40 is: 6,137,819.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,676,712.20 : 20,512,443.90 = 4,092,403.40 : x
  2. Step 2: Convert to fraction form
    13,676,712.20/20,512,443.90 = 4,092,403.40/x
  3. Step 3: Cross multiply
    13,676,712.20x = 20,512,443.90 × 4,092,403.40
  4. Step 4: Simplify right side
    13,676,712.20x = 83,945,195,158,669.25
  5. Step 5: Solve for x
    x = 83,945,195,158,669.25/13,676,712.20
  6. Step 6: Final answer
    x = 6,137,819.82

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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.