Home / 28,418,144.66-39,208,087.46-17,393,401.12

Finding the Fourth Proportional to 28,418,144.66, 39,208,087.46 and 17,393,401.12

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Solution

The fourth proportional to 28,418,144.66, 39,208,087.46 and 17,393,401.12 is: 23,997,414.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,418,144.66 : 39,208,087.46 = 17,393,401.12 : x
  2. Step 2: Convert to fraction form
    28,418,144.66/39,208,087.46 = 17,393,401.12/x
  3. Step 3: Cross multiply
    28,418,144.66x = 39,208,087.46 × 17,393,401.12
  4. Step 4: Simplify right side
    28,418,144.66x = 681,961,992,339,822
  5. Step 5: Solve for x
    x = 681,961,992,339,822/28,418,144.66
  6. Step 6: Final answer
    x = 23,997,414.35

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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.