Home / 8,089,788.60-12,134,682.90-7,277,974.20

Finding the Fourth Proportional to 8,089,788.60, 12,134,682.90 and 7,277,974.20

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Solution

The fourth proportional to 8,089,788.60, 12,134,682.90 and 7,277,974.20 is: 10,916,961.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,089,788.60 : 12,134,682.90 = 7,277,974.20 : x
  2. Step 2: Convert to fraction form
    8,089,788.60/12,134,682.90 = 7,277,974.20/x
  3. Step 3: Cross multiply
    8,089,788.60x = 12,134,682.90 × 7,277,974.20
  4. Step 4: Simplify right side
    8,089,788.60x = 88,315,909,071,381.19
  5. Step 5: Solve for x
    x = 88,315,909,071,381.19/8,089,788.60
  6. Step 6: Final answer
    x = 10,916,961.30

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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.