Home / 8,691,208.30-13,036,812.45-6,451,720.30

Finding the Fourth Proportional to 8,691,208.30, 13,036,812.45 and 6,451,720.30

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Solution

The fourth proportional to 8,691,208.30, 13,036,812.45 and 6,451,720.30 is: 9,677,580.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,691,208.30 : 13,036,812.45 = 6,451,720.30 : x
  2. Step 2: Convert to fraction form
    8,691,208.30/13,036,812.45 = 6,451,720.30/x
  3. Step 3: Cross multiply
    8,691,208.30x = 13,036,812.45 × 6,451,720.30
  4. Step 4: Simplify right side
    8,691,208.30x = 84,109,867,530,957.73
  5. Step 5: Solve for x
    x = 84,109,867,530,957.73/8,691,208.30
  6. Step 6: Final answer
    x = 9,677,580.45

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Similar ratio
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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.