Home / 13,605,916.38-20,401,345.82-5,400,245.90

Finding the Fourth Proportional to 13,605,916.38, 20,401,345.82 and 5,400,245.90

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Solution

The fourth proportional to 13,605,916.38, 20,401,345.82 and 5,400,245.90 is: 8,097,380.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,605,916.38 : 20,401,345.82 = 5,400,245.90 : x
  2. Step 2: Convert to fraction form
    13,605,916.38/20,401,345.82 = 5,400,245.90/x
  3. Step 3: Cross multiply
    13,605,916.38x = 20,401,345.82 × 5,400,245.90
  4. Step 4: Simplify right side
    13,605,916.38x = 110,172,284,142,939.28
  5. Step 5: Solve for x
    x = 110,172,284,142,939.28/13,605,916.38
  6. Step 6: Final answer
    x = 8,097,380.66

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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.