Home / 8,195,104.90-12,292,657.35-7,775,200.90

Finding the Fourth Proportional to 8,195,104.90, 12,292,657.35 and 7,775,200.90

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Solution

The fourth proportional to 8,195,104.90, 12,292,657.35 and 7,775,200.90 is: 11,662,801.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,195,104.90 : 12,292,657.35 = 7,775,200.90 : x
  2. Step 2: Convert to fraction form
    8,195,104.90/12,292,657.35 = 7,775,200.90/x
  3. Step 3: Cross multiply
    8,195,104.90x = 12,292,657.35 × 7,775,200.90
  4. Step 4: Simplify right side
    8,195,104.90x = 95,577,880,491,111.61
  5. Step 5: Solve for x
    x = 95,577,880,491,111.61/8,195,104.90
  6. Step 6: Final answer
    x = 11,662,801.35

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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.