Home / 8,085,451.10-12,128,176.65-4,042,562.90

Finding the Fourth Proportional to 8,085,451.10, 12,128,176.65 and 4,042,562.90

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Solution

The fourth proportional to 8,085,451.10, 12,128,176.65 and 4,042,562.90 is: 6,063,844.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,085,451.10 : 12,128,176.65 = 4,042,562.90 : x
  2. Step 2: Convert to fraction form
    8,085,451.10/12,128,176.65 = 4,042,562.90/x
  3. Step 3: Cross multiply
    8,085,451.10x = 12,128,176.65 × 4,042,562.90
  4. Step 4: Simplify right side
    8,085,451.10x = 49,028,916,969,936.29
  5. Step 5: Solve for x
    x = 49,028,916,969,936.29/8,085,451.10
  6. Step 6: Final answer
    x = 6,063,844.35

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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.