Home / 18,187,772.40-27,281,658.60-7,399,520.10

Finding the Fourth Proportional to 18,187,772.40, 27,281,658.60 and 7,399,520.10

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Solution

The fourth proportional to 18,187,772.40, 27,281,658.60 and 7,399,520.10 is: 11,099,280.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,187,772.40 : 27,281,658.60 = 7,399,520.10 : x
  2. Step 2: Convert to fraction form
    18,187,772.40/27,281,658.60 = 7,399,520.10/x
  3. Step 3: Cross multiply
    18,187,772.40x = 27,281,658.60 × 7,399,520.10
  4. Step 4: Simplify right side
    18,187,772.40x = 201,871,181,172,037.88
  5. Step 5: Solve for x
    x = 201,871,181,172,037.88/18,187,772.40
  6. Step 6: Final answer
    x = 11,099,280.15

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1.5x scale

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.