Home / 6,511,708.80-9,767,563.20-5,251,996.80

Finding the Fourth Proportional to 6,511,708.80, 9,767,563.20 and 5,251,996.80

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Solution

The fourth proportional to 6,511,708.80, 9,767,563.20 and 5,251,996.80 is: 7,877,995.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,511,708.80 : 9,767,563.20 = 5,251,996.80 : x
  2. Step 2: Convert to fraction form
    6,511,708.80/9,767,563.20 = 5,251,996.80/x
  3. Step 3: Cross multiply
    6,511,708.80x = 9,767,563.20 × 5,251,996.80
  4. Step 4: Simplify right side
    6,511,708.80x = 51,299,210,670,197.76
  5. Step 5: Solve for x
    x = 51,299,210,670,197.76/6,511,708.80
  6. Step 6: Final answer
    x = 7,877,995.20

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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.