Home / 7,739,682.70-11,609,524.05-7,261,385.80

Finding the Fourth Proportional to 7,739,682.70, 11,609,524.05 and 7,261,385.80

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Solution

The fourth proportional to 7,739,682.70, 11,609,524.05 and 7,261,385.80 is: 10,892,078.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,739,682.70 : 11,609,524.05 = 7,261,385.80 : x
  2. Step 2: Convert to fraction form
    7,739,682.70/11,609,524.05 = 7,261,385.80/x
  3. Step 3: Cross multiply
    7,739,682.70x = 11,609,524.05 × 7,261,385.80
  4. Step 4: Simplify right side
    7,739,682.70x = 84,301,233,081,428.50
  5. Step 5: Solve for x
    x = 84,301,233,081,428.50/7,739,682.70
  6. Step 6: Final answer
    x = 10,892,078.70

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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.