Home / 6,418,487.70-8,856,351.81-4,126,122.90

Finding the Fourth Proportional to 6,418,487.70, 8,856,351.81 and 4,126,122.90

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Solution

The fourth proportional to 6,418,487.70, 8,856,351.81 and 4,126,122.90 is: 5,693,303.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,418,487.70 : 8,856,351.81 = 4,126,122.90 : x
  2. Step 2: Convert to fraction form
    6,418,487.70/8,856,351.81 = 4,126,122.90/x
  3. Step 3: Cross multiply
    6,418,487.70x = 8,856,351.81 × 4,126,122.90
  4. Step 4: Simplify right side
    6,418,487.70x = 36,542,396,013,697.45
  5. Step 5: Solve for x
    x = 36,542,396,013,697.45/6,418,487.70
  6. Step 6: Final answer
    x = 5,693,303.11

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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.