Home / 7,914,468.80-11,871,703.20-1,930,836.80

Finding the Fourth Proportional to 7,914,468.80, 11,871,703.20 and 1,930,836.80

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Solution

The fourth proportional to 7,914,468.80, 11,871,703.20 and 1,930,836.80 is: 2,896,255.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,914,468.80 : 11,871,703.20 = 1,930,836.80 : x
  2. Step 2: Convert to fraction form
    7,914,468.80/11,871,703.20 = 1,930,836.80/x
  3. Step 3: Cross multiply
    7,914,468.80x = 11,871,703.20 × 1,930,836.80
  4. Step 4: Simplify right side
    7,914,468.80x = 22,922,321,417,237.76
  5. Step 5: Solve for x
    x = 22,922,321,417,237.76/7,914,468.80
  6. Step 6: Final answer
    x = 2,896,255.20

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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.