Home / 8,085,366.60-12,128,049.90-7,925,934.30

Finding the Fourth Proportional to 8,085,366.60, 12,128,049.90 and 7,925,934.30

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Solution

The fourth proportional to 8,085,366.60, 12,128,049.90 and 7,925,934.30 is: 11,888,901.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,085,366.60 : 12,128,049.90 = 7,925,934.30 : x
  2. Step 2: Convert to fraction form
    8,085,366.60/12,128,049.90 = 7,925,934.30/x
  3. Step 3: Cross multiply
    8,085,366.60x = 12,128,049.90 × 7,925,934.30
  4. Step 4: Simplify right side
    8,085,366.60x = 96,126,126,694,521.58
  5. Step 5: Solve for x
    x = 96,126,126,694,521.58/8,085,366.60
  6. Step 6: Final answer
    x = 11,888,901.45

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Double scale
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Similar ratio
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1.5x scale

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.