Home / 18,127,045.72-25,015,838.70-9,867,640.56

Finding the Fourth Proportional to 18,127,045.72, 25,015,838.70 and 9,867,640.56

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Solution

The fourth proportional to 18,127,045.72, 25,015,838.70 and 9,867,640.56 is: 13,617,624.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,127,045.72 : 25,015,838.70 = 9,867,640.56 : x
  2. Step 2: Convert to fraction form
    18,127,045.72/25,015,838.70 = 9,867,640.56/x
  3. Step 3: Cross multiply
    18,127,045.72x = 25,015,838.70 × 9,867,640.56
  4. Step 4: Simplify right side
    18,127,045.72x = 246,847,304,598,537.69
  5. Step 5: Solve for x
    x = 246,847,304,598,537.69/18,127,045.72
  6. Step 6: Final answer
    x = 13,617,624.65

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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.