Home / 8,085,335.10-12,128,002.65-7,925,902.80

Finding the Fourth Proportional to 8,085,335.10, 12,128,002.65 and 7,925,902.80

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Solution

The fourth proportional to 8,085,335.10, 12,128,002.65 and 7,925,902.80 is: 11,888,854.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,085,335.10 : 12,128,002.65 = 7,925,902.80 : x
  2. Step 2: Convert to fraction form
    8,085,335.10/12,128,002.65 = 7,925,902.80/x
  3. Step 3: Cross multiply
    8,085,335.10x = 12,128,002.65 × 7,925,902.80
  4. Step 4: Simplify right side
    8,085,335.10x = 96,125,370,162,042.42
  5. Step 5: Solve for x
    x = 96,125,370,162,042.42/8,085,335.10
  6. Step 6: Final answer
    x = 11,888,854.20

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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.