Home / 18,980,992.05-28,476,343.22-5,517,820.05

Finding the Fourth Proportional to 18,980,992.05, 28,476,343.22 and 5,517,820.05

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Solution

The fourth proportional to 18,980,992.05, 28,476,343.22 and 5,517,820.05 is: 8,278,141.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,980,992.05 : 28,476,343.22 = 5,517,820.05 : x
  2. Step 2: Convert to fraction form
    18,980,992.05/28,476,343.22 = 5,517,820.05/x
  3. Step 3: Cross multiply
    18,980,992.05x = 28,476,343.22 × 5,517,820.05
  4. Step 4: Simplify right side
    18,980,992.05x = 157,127,337,714,692.62
  5. Step 5: Solve for x
    x = 157,127,337,714,692.62/18,980,992.05
  6. Step 6: Final answer
    x = 8,278,141.48

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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.