Home / 8,059,760.20-12,089,640.30-7,010,000.20

Finding the Fourth Proportional to 8,059,760.20, 12,089,640.30 and 7,010,000.20

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Solution

The fourth proportional to 8,059,760.20, 12,089,640.30 and 7,010,000.20 is: 10,515,000.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,059,760.20 : 12,089,640.30 = 7,010,000.20 : x
  2. Step 2: Convert to fraction form
    8,059,760.20/12,089,640.30 = 7,010,000.20/x
  3. Step 3: Cross multiply
    8,059,760.20x = 12,089,640.30 × 7,010,000.20
  4. Step 4: Simplify right side
    8,059,760.20x = 84,748,380,920,928.06
  5. Step 5: Solve for x
    x = 84,748,380,920,928.06/8,059,760.20
  6. Step 6: Final answer
    x = 10,515,000.30

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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.