Home / 17,095,713.70-25,643,570.55-5,128,449.70

Finding the Fourth Proportional to 17,095,713.70, 25,643,570.55 and 5,128,449.70

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Solution

The fourth proportional to 17,095,713.70, 25,643,570.55 and 5,128,449.70 is: 7,692,674.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,095,713.70 : 25,643,570.55 = 5,128,449.70 : x
  2. Step 2: Convert to fraction form
    17,095,713.70/25,643,570.55 = 5,128,449.70/x
  3. Step 3: Cross multiply
    17,095,713.70x = 25,643,570.55 × 5,128,449.70
  4. Step 4: Simplify right side
    17,095,713.70x = 131,511,761,694,076.34
  5. Step 5: Solve for x
    x = 131,511,761,694,076.34/17,095,713.70
  6. Step 6: Final answer
    x = 7,692,674.55

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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.