Home / 12,310,182.67-18,465,249.23-11,561,068.88

Finding the Fourth Proportional to 12,310,182.67, 18,465,249.23 and 11,561,068.88

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Solution

The fourth proportional to 12,310,182.67, 18,465,249.23 and 11,561,068.88 is: 17,341,580.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,310,182.67 : 18,465,249.23 = 11,561,068.88 : x
  2. Step 2: Convert to fraction form
    12,310,182.67/18,465,249.23 = 11,561,068.88/x
  3. Step 3: Cross multiply
    12,310,182.67x = 18,465,249.23 × 11,561,068.88
  4. Step 4: Simplify right side
    12,310,182.67x = 213,478,018,234,396.97
  5. Step 5: Solve for x
    x = 213,478,018,234,396.97/12,310,182.67
  6. Step 6: Final answer
    x = 17,341,580.05

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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.