Home / 8,296,945.60-12,445,418.40-7,793,060.80

Finding the Fourth Proportional to 8,296,945.60, 12,445,418.40 and 7,793,060.80

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Solution

The fourth proportional to 8,296,945.60, 12,445,418.40 and 7,793,060.80 is: 11,689,591.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,296,945.60 : 12,445,418.40 = 7,793,060.80 : x
  2. Step 2: Convert to fraction form
    8,296,945.60/12,445,418.40 = 7,793,060.80/x
  3. Step 3: Cross multiply
    8,296,945.60x = 12,445,418.40 × 7,793,060.80
  4. Step 4: Simplify right side
    8,296,945.60x = 96,987,902,272,638.72
  5. Step 5: Solve for x
    x = 96,987,902,272,638.72/8,296,945.60
  6. Step 6: Final answer
    x = 11,689,591.20

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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.