Home / 6,722,712.90-9,274,699.98-4,139,909.64

Finding the Fourth Proportional to 6,722,712.90, 9,274,699.98 and 4,139,909.64

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Solution

The fourth proportional to 6,722,712.90, 9,274,699.98 and 4,139,909.64 is: 5,711,447.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,722,712.90 : 9,274,699.98 = 4,139,909.64 : x
  2. Step 2: Convert to fraction form
    6,722,712.90/9,274,699.98 = 4,139,909.64/x
  3. Step 3: Cross multiply
    6,722,712.90x = 9,274,699.98 × 4,139,909.64
  4. Step 4: Simplify right side
    6,722,712.90x = 38,396,419,855,309.81
  5. Step 5: Solve for x
    x = 38,396,419,855,309.81/6,722,712.90
  6. Step 6: Final answer
    x = 5,711,447.21

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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.