Home / 18,716,175.45-28,070,019-8,474,274.03

Finding the Fourth Proportional to 18,716,175.45, 28,070,019 and 8,474,274.03

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Solution

The fourth proportional to 18,716,175.45, 28,070,019 and 8,474,274.03 is: 12,709,489.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,716,175.45 : 28,070,019 = 8,474,274.03 : x
  2. Step 2: Convert to fraction form
    18,716,175.45/28,070,019 = 8,474,274.03/x
  3. Step 3: Cross multiply
    18,716,175.45x = 28,070,019 × 8,474,274.03
  4. Step 4: Simplify right side
    18,716,175.45x = 237,873,033,033,306.56
  5. Step 5: Solve for x
    x = 237,873,033,033,306.56/18,716,175.45
  6. Step 6: Final answer
    x = 12,709,489.38

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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.