Home / 18,442,046.11-25,426,360.87-15,122,107.21

Finding the Fourth Proportional to 18,442,046.11, 25,426,360.87 and 15,122,107.21

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Solution

The fourth proportional to 18,442,046.11, 25,426,360.87 and 15,122,107.21 is: 20,849,104.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,442,046.11 : 25,426,360.87 = 15,122,107.21 : x
  2. Step 2: Convert to fraction form
    18,442,046.11/25,426,360.87 = 15,122,107.21/x
  3. Step 3: Cross multiply
    18,442,046.11x = 25,426,360.87 × 15,122,107.21
  4. Step 4: Simplify right side
    18,442,046.11x = 384,500,155,036,288.94
  5. Step 5: Solve for x
    x = 384,500,155,036,288.94/18,442,046.11
  6. Step 6: Final answer
    x = 20,849,104.96

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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.