Home / 6,673,691.12-9,209,610.90-3,920,629.50

Finding the Fourth Proportional to 6,673,691.12, 9,209,610.90 and 3,920,629.50

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Solution

The fourth proportional to 6,673,691.12, 9,209,610.90 and 3,920,629.50 is: 5,410,420.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,673,691.12 : 9,209,610.90 = 3,920,629.50 : x
  2. Step 2: Convert to fraction form
    6,673,691.12/9,209,610.90 = 3,920,629.50/x
  3. Step 3: Cross multiply
    6,673,691.12x = 9,209,610.90 × 3,920,629.50
  4. Step 4: Simplify right side
    6,673,691.12x = 36,107,472,178,061.55
  5. Step 5: Solve for x
    x = 36,107,472,178,061.55/6,673,691.12
  6. Step 6: Final answer
    x = 5,410,420.04

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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.