Home / 12,121,444.80-16,727,691.60-6,614,863.20

Finding the Fourth Proportional to 12,121,444.80, 16,727,691.60 and 6,614,863.20

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Solution

The fourth proportional to 12,121,444.80, 16,727,691.60 and 6,614,863.20 is: 9,128,564.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,121,444.80 : 16,727,691.60 = 6,614,863.20 : x
  2. Step 2: Convert to fraction form
    12,121,444.80/16,727,691.60 = 6,614,863.20/x
  3. Step 3: Cross multiply
    12,121,444.80x = 16,727,691.60 × 6,614,863.20
  4. Step 4: Simplify right side
    12,121,444.80x = 110,651,391,585,789.12
  5. Step 5: Solve for x
    x = 110,651,391,585,789.12/12,121,444.80
  6. Step 6: Final answer
    x = 9,128,564.57

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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.