Home / 8,085,320.60-12,127,980.90-4,042,432.40

Finding the Fourth Proportional to 8,085,320.60, 12,127,980.90 and 4,042,432.40

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Solution

The fourth proportional to 8,085,320.60, 12,127,980.90 and 4,042,432.40 is: 6,063,648.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,085,320.60 : 12,127,980.90 = 4,042,432.40 : x
  2. Step 2: Convert to fraction form
    8,085,320.60/12,127,980.90 = 4,042,432.40/x
  3. Step 3: Cross multiply
    8,085,320.60x = 12,127,980.90 × 4,042,432.40
  4. Step 4: Simplify right side
    8,085,320.60x = 49,026,542,936,741.16
  5. Step 5: Solve for x
    x = 49,026,542,936,741.16/8,085,320.60
  6. Step 6: Final answer
    x = 6,063,648.60

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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.