Home / 40,099,761.36-60,162,595.90-18,548,500.21

Finding the Fourth Proportional to 40,099,761.36, 60,162,595.90 and 18,548,500.21

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Solution

The fourth proportional to 40,099,761.36, 60,162,595.90 and 18,548,500.21 is: 27,828,742.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,099,761.36 : 60,162,595.90 = 18,548,500.21 : x
  2. Step 2: Convert to fraction form
    40,099,761.36/60,162,595.90 = 18,548,500.21/x
  3. Step 3: Cross multiply
    40,099,761.36x = 60,162,595.90 × 18,548,500.21
  4. Step 4: Simplify right side
    40,099,761.36x = 1,115,925,922,488,517.38
  5. Step 5: Solve for x
    x = 1,115,925,922,488,517.38/40,099,761.36
  6. Step 6: Final answer
    x = 27,828,742.23

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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.