Home / 17,992,747.20-26,990,520.48-5,213,435.52

Finding the Fourth Proportional to 17,992,747.20, 26,990,520.48 and 5,213,435.52

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Solution

The fourth proportional to 17,992,747.20, 26,990,520.48 and 5,213,435.52 is: 7,820,558.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,992,747.20 : 26,990,520.48 = 5,213,435.52 : x
  2. Step 2: Convert to fraction form
    17,992,747.20/26,990,520.48 = 5,213,435.52/x
  3. Step 3: Cross multiply
    17,992,747.20x = 26,990,520.48 × 5,213,435.52
  4. Step 4: Simplify right side
    17,992,747.20x = 140,713,338,173,719.44
  5. Step 5: Solve for x
    x = 140,713,338,173,719.44/17,992,747.20
  6. Step 6: Final answer
    x = 7,820,558.84

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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.