Home / 13,428,074.97-20,146,042.91-4,329,989.58

Finding the Fourth Proportional to 13,428,074.97, 20,146,042.91 and 4,329,989.58

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Solution

The fourth proportional to 13,428,074.97, 20,146,042.91 and 4,329,989.58 is: 6,496,251.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,428,074.97 : 20,146,042.91 = 4,329,989.58 : x
  2. Step 2: Convert to fraction form
    13,428,074.97/20,146,042.91 = 4,329,989.58/x
  3. Step 3: Cross multiply
    13,428,074.97x = 20,146,042.91 × 4,329,989.58
  4. Step 4: Simplify right side
    13,428,074.97x = 87,232,155,856,882.94
  5. Step 5: Solve for x
    x = 87,232,155,856,882.94/13,428,074.97
  6. Step 6: Final answer
    x = 6,496,251.77

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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.