Home / 7,898,101.20-11,847,151.80-1,914,469.20

Finding the Fourth Proportional to 7,898,101.20, 11,847,151.80 and 1,914,469.20

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Solution

The fourth proportional to 7,898,101.20, 11,847,151.80 and 1,914,469.20 is: 2,871,703.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,898,101.20 : 11,847,151.80 = 1,914,469.20 : x
  2. Step 2: Convert to fraction form
    7,898,101.20/11,847,151.80 = 1,914,469.20/x
  3. Step 3: Cross multiply
    7,898,101.20x = 11,847,151.80 × 1,914,469.20
  4. Step 4: Simplify right side
    7,898,101.20x = 22,681,007,228,824.56
  5. Step 5: Solve for x
    x = 22,681,007,228,824.56/7,898,101.20
  6. Step 6: Final answer
    x = 2,871,703.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.