Home / 8,405,087.03-12,607,630.54-6,279,323.03

Finding the Fourth Proportional to 8,405,087.03, 12,607,630.54 and 6,279,323.03

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Solution

The fourth proportional to 8,405,087.03, 12,607,630.54 and 6,279,323.03 is: 9,418,984.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,405,087.03 : 12,607,630.54 = 6,279,323.03 : x
  2. Step 2: Convert to fraction form
    8,405,087.03/12,607,630.54 = 6,279,323.03/x
  3. Step 3: Cross multiply
    8,405,087.03x = 12,607,630.54 × 6,279,323.03
  4. Step 4: Simplify right side
    8,405,087.03x = 79,167,384,724,816.88
  5. Step 5: Solve for x
    x = 79,167,384,724,816.88/8,405,087.03
  6. Step 6: Final answer
    x = 9,418,984.54

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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.