Home / 18,264,763.50-25,205,064.74-10,115,826.54

Finding the Fourth Proportional to 18,264,763.50, 25,205,064.74 and 10,115,826.54

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Solution

The fourth proportional to 18,264,763.50, 25,205,064.74 and 10,115,826.54 is: 13,959,669.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,264,763.50 : 25,205,064.74 = 10,115,826.54 : x
  2. Step 2: Convert to fraction form
    18,264,763.50/25,205,064.74 = 10,115,826.54/x
  3. Step 3: Cross multiply
    18,264,763.50x = 25,205,064.74 × 10,115,826.54
  4. Step 4: Simplify right side
    18,264,763.50x = 254,970,062,839,310.16
  5. Step 5: Solve for x
    x = 254,970,062,839,310.16/18,264,763.50
  6. Step 6: Final answer
    x = 13,959,669.55

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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.