Home / 8,085,356.60-12,128,034.90-4,042,468.40

Finding the Fourth Proportional to 8,085,356.60, 12,128,034.90 and 4,042,468.40

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Solution

The fourth proportional to 8,085,356.60, 12,128,034.90 and 4,042,468.40 is: 6,063,702.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,085,356.60 : 12,128,034.90 = 4,042,468.40 : x
  2. Step 2: Convert to fraction form
    8,085,356.60/12,128,034.90 = 4,042,468.40/x
  3. Step 3: Cross multiply
    8,085,356.60x = 12,128,034.90 × 4,042,468.40
  4. Step 4: Simplify right side
    8,085,356.60x = 49,027,197,837,347.16
  5. Step 5: Solve for x
    x = 49,027,197,837,347.16/8,085,356.60
  6. Step 6: Final answer
    x = 6,063,702.60

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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.