Home / 7,156,514-9,875,989.32-3,937,180.88

Finding the Fourth Proportional to 7,156,514, 9,875,989.32 and 3,937,180.88

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Solution

The fourth proportional to 7,156,514, 9,875,989.32 and 3,937,180.88 is: 5,433,309.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,156,514 : 9,875,989.32 = 3,937,180.88 : x
  2. Step 2: Convert to fraction form
    7,156,514/9,875,989.32 = 3,937,180.88/x
  3. Step 3: Cross multiply
    7,156,514x = 9,875,989.32 × 3,937,180.88
  4. Step 4: Simplify right side
    7,156,514x = 38,883,556,321,788.20
  5. Step 5: Solve for x
    x = 38,883,556,321,788.20/7,156,514
  6. Step 6: Final answer
    x = 5,433,309.61

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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.