Home / 18,479,833.56-25,503,125.40-10,640,508.84

Finding the Fourth Proportional to 18,479,833.56, 25,503,125.40 and 10,640,508.84

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Solution

The fourth proportional to 18,479,833.56, 25,503,125.40 and 10,640,508.84 is: 14,684,452.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,479,833.56 : 25,503,125.40 = 10,640,508.84 : x
  2. Step 2: Convert to fraction form
    18,479,833.56/25,503,125.40 = 10,640,508.84/x
  3. Step 3: Cross multiply
    18,479,833.56x = 25,503,125.40 × 10,640,508.84
  4. Step 4: Simplify right side
    18,479,833.56x = 271,366,231,266,328.53
  5. Step 5: Solve for x
    x = 271,366,231,266,328.53/18,479,833.56
  6. Step 6: Final answer
    x = 14,684,452.13

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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.