Home / 27,431,456.42-41,156,331.54-18,245,642.43

Finding the Fourth Proportional to 27,431,456.42, 41,156,331.54 and 18,245,642.43

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Solution

The fourth proportional to 27,431,456.42, 41,156,331.54 and 18,245,642.43 is: 27,374,547.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,431,456.42 : 41,156,331.54 = 18,245,642.43 : x
  2. Step 2: Convert to fraction form
    27,431,456.42/41,156,331.54 = 18,245,642.43/x
  3. Step 3: Cross multiply
    27,431,456.42x = 41,156,331.54 × 18,245,642.43
  4. Step 4: Simplify right side
    27,431,456.42x = 750,923,709,009,371.25
  5. Step 5: Solve for x
    x = 750,923,709,009,371.25/27,431,456.42
  6. Step 6: Final answer
    x = 27,374,547.58

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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.