Home / 7,131,173.30-9,840,946.80-3,867,917.96

Finding the Fourth Proportional to 7,131,173.30, 9,840,946.80 and 3,867,917.96

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Solution

The fourth proportional to 7,131,173.30, 9,840,946.80 and 3,867,917.96 is: 5,337,687.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,131,173.30 : 9,840,946.80 = 3,867,917.96 : x
  2. Step 2: Convert to fraction form
    7,131,173.30/9,840,946.80 = 3,867,917.96/x
  3. Step 3: Cross multiply
    7,131,173.30x = 9,840,946.80 × 3,867,917.96
  4. Step 4: Simplify right side
    7,131,173.30x = 38,063,974,871,124.53
  5. Step 5: Solve for x
    x = 38,063,974,871,124.53/7,131,173.30
  6. Step 6: Final answer
    x = 5,337,687.54

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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.