Home / 7,167,937.86-9,891,749.97-3,948,673.86

Finding the Fourth Proportional to 7,167,937.86, 9,891,749.97 and 3,948,673.86

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Solution

The fourth proportional to 7,167,937.86, 9,891,749.97 and 3,948,673.86 is: 5,449,167.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,167,937.86 : 9,891,749.97 = 3,948,673.86 : x
  2. Step 2: Convert to fraction form
    7,167,937.86/9,891,749.97 = 3,948,673.86/x
  3. Step 3: Cross multiply
    7,167,937.86x = 9,891,749.97 × 3,948,673.86
  4. Step 4: Simplify right side
    7,167,937.86x = 39,059,294,536,194.79
  5. Step 5: Solve for x
    x = 39,059,294,536,194.79/7,167,937.86
  6. Step 6: Final answer
    x = 5,449,167.57

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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.