Home / 6,687,171.20-9,228,140.10-3,934,035.90

Finding the Fourth Proportional to 6,687,171.20, 9,228,140.10 and 3,934,035.90

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Solution

The fourth proportional to 6,687,171.20, 9,228,140.10 and 3,934,035.90 is: 5,428,877.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,687,171.20 : 9,228,140.10 = 3,934,035.90 : x
  2. Step 2: Convert to fraction form
    6,687,171.20/9,228,140.10 = 3,934,035.90/x
  3. Step 3: Cross multiply
    6,687,171.20x = 9,228,140.10 × 3,934,035.90
  4. Step 4: Simplify right side
    6,687,171.20x = 36,303,834,443,629.59
  5. Step 5: Solve for x
    x = 36,303,834,443,629.59/6,687,171.20
  6. Step 6: Final answer
    x = 5,428,877.67

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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.