Home / 6,480,000.80-9,720,001.20-6,165,072.80

Finding the Fourth Proportional to 6,480,000.80, 9,720,001.20 and 6,165,072.80

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Solution

The fourth proportional to 6,480,000.80, 9,720,001.20 and 6,165,072.80 is: 9,247,609.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,480,000.80 : 9,720,001.20 = 6,165,072.80 : x
  2. Step 2: Convert to fraction form
    6,480,000.80/9,720,001.20 = 6,165,072.80/x
  3. Step 3: Cross multiply
    6,480,000.80x = 9,720,001.20 × 6,165,072.80
  4. Step 4: Simplify right side
    6,480,000.80x = 59,924,515,014,087.35
  5. Step 5: Solve for x
    x = 59,924,515,014,087.35/6,480,000.80
  6. Step 6: Final answer
    x = 9,247,609.20

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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.