Home / 13,391,801.38-18,482,131.06-7,589,960.42

Finding the Fourth Proportional to 13,391,801.38, 18,482,131.06 and 7,589,960.42

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Solution

The fourth proportional to 13,391,801.38, 18,482,131.06 and 7,589,960.42 is: 10,474,964.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,391,801.38 : 18,482,131.06 = 7,589,960.42 : x
  2. Step 2: Convert to fraction form
    13,391,801.38/18,482,131.06 = 7,589,960.42/x
  3. Step 3: Cross multiply
    13,391,801.38x = 18,482,131.06 × 7,589,960.42
  4. Step 4: Simplify right side
    13,391,801.38x = 140,278,643,111,267.09
  5. Step 5: Solve for x
    x = 140,278,643,111,267.09/13,391,801.38
  6. Step 6: Final answer
    x = 10,474,964.43

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Double scale
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1.5x scale

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.