Home / 17,007,751.20-25,511,626.80-15,519,716.40

Finding the Fourth Proportional to 17,007,751.20, 25,511,626.80 and 15,519,716.40

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Solution

The fourth proportional to 17,007,751.20, 25,511,626.80 and 15,519,716.40 is: 23,279,574.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,007,751.20 : 25,511,626.80 = 15,519,716.40 : x
  2. Step 2: Convert to fraction form
    17,007,751.20/25,511,626.80 = 15,519,716.40/x
  3. Step 3: Cross multiply
    17,007,751.20x = 25,511,626.80 × 15,519,716.40
  4. Step 4: Simplify right side
    17,007,751.20x = 395,933,212,838,639.56
  5. Step 5: Solve for x
    x = 395,933,212,838,639.56/17,007,751.20
  6. Step 6: Final answer
    x = 23,279,574.60

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.