Home / 6,813,309.50-9,403,213.00-3,912,638.09

Finding the Fourth Proportional to 6,813,309.50, 9,403,213.00 and 3,912,638.09

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Solution

The fourth proportional to 6,813,309.50, 9,403,213.00 and 3,912,638.09 is: 5,399,926.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,813,309.50 : 9,403,213.00 = 3,912,638.09 : x
  2. Step 2: Convert to fraction form
    6,813,309.50/9,403,213.00 = 3,912,638.09/x
  3. Step 3: Cross multiply
    6,813,309.50x = 9,403,213.00 × 3,912,638.09
  4. Step 4: Simplify right side
    6,813,309.50x = 36,791,369,365,909.61
  5. Step 5: Solve for x
    x = 36,791,369,365,909.61/6,813,309.50
  6. Step 6: Final answer
    x = 5,399,926.33

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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.