Home / 18,431,158.38-25,434,820.98-10,171,296.78

Finding the Fourth Proportional to 18,431,158.38, 25,434,820.98 and 10,171,296.78

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Solution

The fourth proportional to 18,431,158.38, 25,434,820.98 and 10,171,296.78 is: 14,036,291.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,431,158.38 : 25,434,820.98 = 10,171,296.78 : x
  2. Step 2: Convert to fraction form
    18,431,158.38/25,434,820.98 = 10,171,296.78/x
  3. Step 3: Cross multiply
    18,431,158.38x = 25,434,820.98 × 10,171,296.78
  4. Step 4: Simplify right side
    18,431,158.38x = 258,705,112,733,750.44
  5. Step 5: Solve for x
    x = 258,705,112,733,750.44/18,431,158.38
  6. Step 6: Final answer
    x = 14,036,291.56

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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.