Home / 8,065,725.80-12,098,588.70-7,449,866.60

Finding the Fourth Proportional to 8,065,725.80, 12,098,588.70 and 7,449,866.60

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Solution

The fourth proportional to 8,065,725.80, 12,098,588.70 and 7,449,866.60 is: 11,174,799.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,065,725.80 : 12,098,588.70 = 7,449,866.60 : x
  2. Step 2: Convert to fraction form
    8,065,725.80/12,098,588.70 = 7,449,866.60/x
  3. Step 3: Cross multiply
    8,065,725.80x = 12,098,588.70 × 7,449,866.60
  4. Step 4: Simplify right side
    8,065,725.80x = 90,132,871,863,267.41
  5. Step 5: Solve for x
    x = 90,132,871,863,267.41/8,065,725.80
  6. Step 6: Final answer
    x = 11,174,799.90

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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.