Home / 7,726,809.60-11,590,214.40-7,399,180.80

Finding the Fourth Proportional to 7,726,809.60, 11,590,214.40 and 7,399,180.80

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Solution

The fourth proportional to 7,726,809.60, 11,590,214.40 and 7,399,180.80 is: 11,098,771.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,726,809.60 : 11,590,214.40 = 7,399,180.80 : x
  2. Step 2: Convert to fraction form
    7,726,809.60/11,590,214.40 = 7,399,180.80/x
  3. Step 3: Cross multiply
    7,726,809.60x = 11,590,214.40 × 7,399,180.80
  4. Step 4: Simplify right side
    7,726,809.60x = 85,758,091,856,363.52
  5. Step 5: Solve for x
    x = 85,758,091,856,363.52/7,726,809.60
  6. Step 6: Final answer
    x = 11,098,771.20

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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.