Home / 18,750,685.70-28,266,568.78-17,500,761.44

Finding the Fourth Proportional to 18,750,685.70, 28,266,568.78 and 17,500,761.44

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Solution

The fourth proportional to 18,750,685.70, 28,266,568.78 and 17,500,761.44 is: 26,382,313.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,750,685.70 : 28,266,568.78 = 17,500,761.44 : x
  2. Step 2: Convert to fraction form
    18,750,685.70/28,266,568.78 = 17,500,761.44/x
  3. Step 3: Cross multiply
    18,750,685.70x = 28,266,568.78 × 17,500,761.44
  4. Step 4: Simplify right side
    18,750,685.70x = 494,686,476,946,131.88
  5. Step 5: Solve for x
    x = 494,686,476,946,131.88/18,750,685.70
  6. Step 6: Final answer
    x = 26,382,313.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.