Home / 13,146,788.80-19,720,183.20-4,171,326.40

Finding the Fourth Proportional to 13,146,788.80, 19,720,183.20 and 4,171,326.40

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Solution

The fourth proportional to 13,146,788.80, 19,720,183.20 and 4,171,326.40 is: 6,256,989.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,146,788.80 : 19,720,183.20 = 4,171,326.40 : x
  2. Step 2: Convert to fraction form
    13,146,788.80/19,720,183.20 = 4,171,326.40/x
  3. Step 3: Cross multiply
    13,146,788.80x = 19,720,183.20 × 4,171,326.40
  4. Step 4: Simplify right side
    13,146,788.80x = 82,259,320,794,996.47
  5. Step 5: Solve for x
    x = 82,259,320,794,996.47/13,146,788.80
  6. Step 6: Final answer
    x = 6,256,989.60

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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.