Home / 8,165,772.20-12,248,658.30-3,618,999.20

Finding the Fourth Proportional to 8,165,772.20, 12,248,658.30 and 3,618,999.20

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Solution

The fourth proportional to 8,165,772.20, 12,248,658.30 and 3,618,999.20 is: 5,428,498.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,165,772.20 : 12,248,658.30 = 3,618,999.20 : x
  2. Step 2: Convert to fraction form
    8,165,772.20/12,248,658.30 = 3,618,999.20/x
  3. Step 3: Cross multiply
    8,165,772.20x = 12,248,658.30 × 3,618,999.20
  4. Step 4: Simplify right side
    8,165,772.20x = 44,327,884,588,773.37
  5. Step 5: Solve for x
    x = 44,327,884,588,773.37/8,165,772.20
  6. Step 6: Final answer
    x = 5,428,498.80

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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.