Home / 18,760,227.97-25,888,860.55-10,500,287.78

Finding the Fourth Proportional to 18,760,227.97, 25,888,860.55 and 10,500,287.78

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Solution

The fourth proportional to 18,760,227.97, 25,888,860.55 and 10,500,287.78 is: 14,490,254.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,760,227.97 : 25,888,860.55 = 10,500,287.78 : x
  2. Step 2: Convert to fraction form
    18,760,227.97/25,888,860.55 = 10,500,287.78/x
  3. Step 3: Cross multiply
    18,760,227.97x = 25,888,860.55 × 10,500,287.78
  4. Step 4: Simplify right side
    18,760,227.97x = 271,840,485,915,594.06
  5. Step 5: Solve for x
    x = 271,840,485,915,594.06/18,760,227.97
  6. Step 6: Final answer
    x = 14,490,254.94

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1.5x scale

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.