Home / 12,121,795.20-16,727,819.52-6,614,987.52

Finding the Fourth Proportional to 12,121,795.20, 16,727,819.52 and 6,614,987.52

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Solution

The fourth proportional to 12,121,795.20, 16,727,819.52 and 6,614,987.52 is: 9,128,542.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,121,795.20 : 16,727,819.52 = 6,614,987.52 : x
  2. Step 2: Convert to fraction form
    12,121,795.20/16,727,819.52 = 6,614,987.52/x
  3. Step 3: Cross multiply
    12,121,795.20x = 16,727,819.52 × 6,614,987.52
  4. Step 4: Simplify right side
    12,121,795.20x = 110,654,317,361,612.38
  5. Step 5: Solve for x
    x = 110,654,317,361,612.38/12,121,795.20
  6. Step 6: Final answer
    x = 9,128,542.06

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1.5x scale

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.