Home / 20,027,928.38-27,638,541.16-10,860,578.42

Finding the Fourth Proportional to 20,027,928.38, 27,638,541.16 and 10,860,578.42

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Solution

The fourth proportional to 20,027,928.38, 27,638,541.16 and 10,860,578.42 is: 14,987,598.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,027,928.38 : 27,638,541.16 = 10,860,578.42 : x
  2. Step 2: Convert to fraction form
    20,027,928.38/27,638,541.16 = 10,860,578.42/x
  3. Step 3: Cross multiply
    20,027,928.38x = 27,638,541.16 × 10,860,578.42
  4. Step 4: Simplify right side
    20,027,928.38x = 300,170,543,517,233.56
  5. Step 5: Solve for x
    x = 300,170,543,517,233.56/20,027,928.38
  6. Step 6: Final answer
    x = 14,987,598.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.