Home / 41,872,067.64-62,808,023.70-13,120,405.56

Finding the Fourth Proportional to 41,872,067.64, 62,808,023.70 and 13,120,405.56

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Solution

The fourth proportional to 41,872,067.64, 62,808,023.70 and 13,120,405.56 is: 19,680,583.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,872,067.64 : 62,808,023.70 = 13,120,405.56 : x
  2. Step 2: Convert to fraction form
    41,872,067.64/62,808,023.70 = 13,120,405.56/x
  3. Step 3: Cross multiply
    41,872,067.64x = 62,808,023.70 × 13,120,405.56
  4. Step 4: Simplify right side
    41,872,067.64x = 824,066,743,366,091.88
  5. Step 5: Solve for x
    x = 824,066,743,366,091.88/41,872,067.64
  6. Step 6: Final answer
    x = 19,680,583.97

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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.