Home / 18,441,005.40-27,661,248.90-8,343,610.20

Finding the Fourth Proportional to 18,441,005.40, 27,661,248.90 and 8,343,610.20

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Solution

The fourth proportional to 18,441,005.40, 27,661,248.90 and 8,343,610.20 is: 12,515,298.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,441,005.40 : 27,661,248.90 = 8,343,610.20 : x
  2. Step 2: Convert to fraction form
    18,441,005.40/27,661,248.90 = 8,343,610.20/x
  3. Step 3: Cross multiply
    18,441,005.40x = 27,661,248.90 × 8,343,610.20
  4. Step 4: Simplify right side
    18,441,005.40x = 230,794,678,466,778.78
  5. Step 5: Solve for x
    x = 230,794,678,466,778.78/18,441,005.40
  6. Step 6: Final answer
    x = 12,515,298.03

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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.