Home / 7,921,781.28-10,932,231.96-4,824,449.82

Finding the Fourth Proportional to 7,921,781.28, 10,932,231.96 and 4,824,449.82

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Solution

The fourth proportional to 7,921,781.28, 10,932,231.96 and 4,824,449.82 is: 6,657,846.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,921,781.28 : 10,932,231.96 = 4,824,449.82 : x
  2. Step 2: Convert to fraction form
    7,921,781.28/10,932,231.96 = 4,824,449.82/x
  3. Step 3: Cross multiply
    7,921,781.28x = 10,932,231.96 × 4,824,449.82
  4. Step 4: Simplify right side
    7,921,781.28x = 52,742,004,511,620.26
  5. Step 5: Solve for x
    x = 52,742,004,511,620.26/7,921,781.28
  6. Step 6: Final answer
    x = 6,657,846.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.