Home / 12,943,931.20-19,404,523.38-5,274,025.60

Finding the Fourth Proportional to 12,943,931.20, 19,404,523.38 and 5,274,025.60

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Solution

The fourth proportional to 12,943,931.20, 19,404,523.38 and 5,274,025.60 is: 7,906,404.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,943,931.20 : 19,404,523.38 = 5,274,025.60 : x
  2. Step 2: Convert to fraction form
    12,943,931.20/19,404,523.38 = 5,274,025.60/x
  3. Step 3: Cross multiply
    12,943,931.20x = 19,404,523.38 × 5,274,025.60
  4. Step 4: Simplify right side
    12,943,931.20x = 102,339,953,061,918.52
  5. Step 5: Solve for x
    x = 102,339,953,061,918.52/12,943,931.20
  6. Step 6: Final answer
    x = 7,906,404.28

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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.