Home / 7,778,793.60-11,668,190.40-3,290,486.40

Finding the Fourth Proportional to 7,778,793.60, 11,668,190.40 and 3,290,486.40

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Solution

The fourth proportional to 7,778,793.60, 11,668,190.40 and 3,290,486.40 is: 4,935,729.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,778,793.60 : 11,668,190.40 = 3,290,486.40 : x
  2. Step 2: Convert to fraction form
    7,778,793.60/11,668,190.40 = 3,290,486.40/x
  3. Step 3: Cross multiply
    7,778,793.60x = 11,668,190.40 × 3,290,486.40
  4. Step 4: Simplify right side
    7,778,793.60x = 38,394,021,823,810.56
  5. Step 5: Solve for x
    x = 38,394,021,823,810.56/7,778,793.60
  6. Step 6: Final answer
    x = 4,935,729.60

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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.