Home / 6,321,142.03-8,723,199.12-3,420,532.91

Finding the Fourth Proportional to 6,321,142.03, 8,723,199.12 and 3,420,532.91

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Solution

The fourth proportional to 6,321,142.03, 8,723,199.12 and 3,420,532.91 is: 4,720,347.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,321,142.03 : 8,723,199.12 = 3,420,532.91 : x
  2. Step 2: Convert to fraction form
    6,321,142.03/8,723,199.12 = 3,420,532.91/x
  3. Step 3: Cross multiply
    6,321,142.03x = 8,723,199.12 × 3,420,532.91
  4. Step 4: Simplify right side
    6,321,142.03x = 29,837,989,653,340.38
  5. Step 5: Solve for x
    x = 29,837,989,653,340.38/6,321,142.03
  6. Step 6: Final answer
    x = 4,720,347.92

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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.