Home / 7,677,046.56-11,515,583.52-1,997,261.76

Finding the Fourth Proportional to 7,677,046.56, 11,515,583.52 and 1,997,261.76

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Solution

The fourth proportional to 7,677,046.56, 11,515,583.52 and 1,997,261.76 is: 2,995,896.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,677,046.56 : 11,515,583.52 = 1,997,261.76 : x
  2. Step 2: Convert to fraction form
    7,677,046.56/11,515,583.52 = 1,997,261.76/x
  3. Step 3: Cross multiply
    7,677,046.56x = 11,515,583.52 × 1,997,261.76
  4. Step 4: Simplify right side
    7,677,046.56x = 22,999,634,608,582.20
  5. Step 5: Solve for x
    x = 22,999,634,608,582.20/7,677,046.56
  6. Step 6: Final answer
    x = 2,995,896.20

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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.