Home / 9,309,803.91-12,846,015.48-5,179,728.93

Finding the Fourth Proportional to 9,309,803.91, 12,846,015.48 and 5,179,728.93

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Solution

The fourth proportional to 9,309,803.91, 12,846,015.48 and 5,179,728.93 is: 7,147,183.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,309,803.91 : 12,846,015.48 = 5,179,728.93 : x
  2. Step 2: Convert to fraction form
    9,309,803.91/12,846,015.48 = 5,179,728.93/x
  3. Step 3: Cross multiply
    9,309,803.91x = 12,846,015.48 × 5,179,728.93
  4. Step 4: Simplify right side
    9,309,803.91x = 66,538,878,016,983.84
  5. Step 5: Solve for x
    x = 66,538,878,016,983.84/9,309,803.91
  6. Step 6: Final answer
    x = 7,147,183.62

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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.