Home / 8,672,487.60-12,995,220.60-3,278,195.40

Finding the Fourth Proportional to 8,672,487.60, 12,995,220.60 and 3,278,195.40

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Solution

The fourth proportional to 8,672,487.60, 12,995,220.60 and 3,278,195.40 is: 4,912,186.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,672,487.60 : 12,995,220.60 = 3,278,195.40 : x
  2. Step 2: Convert to fraction form
    8,672,487.60/12,995,220.60 = 3,278,195.40/x
  3. Step 3: Cross multiply
    8,672,487.60x = 12,995,220.60 × 3,278,195.40
  4. Step 4: Simplify right side
    8,672,487.60x = 42,600,872,392,905.23
  5. Step 5: Solve for x
    x = 42,600,872,392,905.23/8,672,487.60
  6. Step 6: Final answer
    x = 4,912,186.03

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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.