Home / 18,477,716.88-25,499,414.54-10,218,334.88

Finding the Fourth Proportional to 18,477,716.88, 25,499,414.54 and 10,218,334.88

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Solution

The fourth proportional to 18,477,716.88, 25,499,414.54 and 10,218,334.88 is: 14,101,393.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,477,716.88 : 25,499,414.54 = 10,218,334.88 : x
  2. Step 2: Convert to fraction form
    18,477,716.88/25,499,414.54 = 10,218,334.88/x
  3. Step 3: Cross multiply
    18,477,716.88x = 25,499,414.54 × 10,218,334.88
  4. Step 4: Simplify right side
    18,477,716.88x = 260,561,556,948,642.06
  5. Step 5: Solve for x
    x = 260,561,556,948,642.06/18,477,716.88
  6. Step 6: Final answer
    x = 14,101,393.52

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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.