Home / 8,775,506.70-13,163,260.05-5,179,422.60

Finding the Fourth Proportional to 8,775,506.70, 13,163,260.05 and 5,179,422.60

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Solution

The fourth proportional to 8,775,506.70, 13,163,260.05 and 5,179,422.60 is: 7,769,133.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,775,506.70 : 13,163,260.05 = 5,179,422.60 : x
  2. Step 2: Convert to fraction form
    8,775,506.70/13,163,260.05 = 5,179,422.60/x
  3. Step 3: Cross multiply
    8,775,506.70x = 13,163,260.05 × 5,179,422.60
  4. Step 4: Simplify right side
    8,775,506.70x = 68,178,086,592,647.13
  5. Step 5: Solve for x
    x = 68,178,086,592,647.13/8,775,506.70
  6. Step 6: Final answer
    x = 7,769,133.90

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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.