Home / 18,961,757.17-26,157,584.75-11,517,438.20

Finding the Fourth Proportional to 18,961,757.17, 26,157,584.75 and 11,517,438.20

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Solution

The fourth proportional to 18,961,757.17, 26,157,584.75 and 11,517,438.20 is: 15,888,209.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,961,757.17 : 26,157,584.75 = 11,517,438.20 : x
  2. Step 2: Convert to fraction form
    18,961,757.17/26,157,584.75 = 11,517,438.20/x
  3. Step 3: Cross multiply
    18,961,757.17x = 26,157,584.75 × 11,517,438.20
  4. Step 4: Simplify right side
    18,961,757.17x = 301,268,365,631,012.38
  5. Step 5: Solve for x
    x = 301,268,365,631,012.38/18,961,757.17
  6. Step 6: Final answer
    x = 15,888,209.25

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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.