Home / 10,138,441.39-13,990,514.10-5,787,354.67

Finding the Fourth Proportional to 10,138,441.39, 13,990,514.10 and 5,787,354.67

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Solution

The fourth proportional to 10,138,441.39, 13,990,514.10 and 5,787,354.67 is: 7,986,244.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,138,441.39 : 13,990,514.10 = 5,787,354.67 : x
  2. Step 2: Convert to fraction form
    10,138,441.39/13,990,514.10 = 5,787,354.67/x
  3. Step 3: Cross multiply
    10,138,441.39x = 13,990,514.10 × 5,787,354.67
  4. Step 4: Simplify right side
    10,138,441.39x = 80,968,067,112,335.84
  5. Step 5: Solve for x
    x = 80,968,067,112,335.84/10,138,441.39
  6. Step 6: Final answer
    x = 7,986,244.04

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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.