Home / 18,325,123.20-27,480,686.40-5,541,379.20

Finding the Fourth Proportional to 18,325,123.20, 27,480,686.40 and 5,541,379.20

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Solution

The fourth proportional to 18,325,123.20, 27,480,686.40 and 5,541,379.20 is: 8,309,952.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,325,123.20 : 27,480,686.40 = 5,541,379.20 : x
  2. Step 2: Convert to fraction form
    18,325,123.20/27,480,686.40 = 5,541,379.20/x
  3. Step 3: Cross multiply
    18,325,123.20x = 27,480,686.40 × 5,541,379.20
  4. Step 4: Simplify right side
    18,325,123.20x = 152,280,904,018,682.88
  5. Step 5: Solve for x
    x = 152,280,904,018,682.88/18,325,123.20
  6. Step 6: Final answer
    x = 8,309,952.54

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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.