Home / 13,269,130.38-18,304,376.94-9,131,979.04

Finding the Fourth Proportional to 13,269,130.38, 18,304,376.94 and 9,131,979.04

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Solution

The fourth proportional to 13,269,130.38, 18,304,376.94 and 9,131,979.04 is: 12,597,297.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,269,130.38 : 18,304,376.94 = 9,131,979.04 : x
  2. Step 2: Convert to fraction form
    13,269,130.38/18,304,376.94 = 9,131,979.04/x
  3. Step 3: Cross multiply
    13,269,130.38x = 18,304,376.94 × 9,131,979.04
  4. Step 4: Simplify right side
    13,269,130.38x = 167,155,186,556,339.34
  5. Step 5: Solve for x
    x = 167,155,186,556,339.34/13,269,130.38
  6. Step 6: Final answer
    x = 12,597,297.77

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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.