Home / 18,109,045.11-27,174,740.56-8,391,846.88

Finding the Fourth Proportional to 18,109,045.11, 27,174,740.56 and 8,391,846.88

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Solution

The fourth proportional to 18,109,045.11, 27,174,740.56 and 8,391,846.88 is: 12,592,947.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,109,045.11 : 27,174,740.56 = 8,391,846.88 : x
  2. Step 2: Convert to fraction form
    18,109,045.11/27,174,740.56 = 8,391,846.88/x
  3. Step 3: Cross multiply
    18,109,045.11x = 27,174,740.56 × 8,391,846.88
  4. Step 4: Simplify right side
    18,109,045.11x = 228,046,261,783,245.47
  5. Step 5: Solve for x
    x = 228,046,261,783,245.47/18,109,045.11
  6. Step 6: Final answer
    x = 12,592,947.91

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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.