Home / 20,484,664.29-28,268,502.31-11,192,034.38

Finding the Fourth Proportional to 20,484,664.29, 28,268,502.31 and 11,192,034.38

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Solution

The fourth proportional to 20,484,664.29, 28,268,502.31 and 11,192,034.38 is: 15,444,824.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,484,664.29 : 28,268,502.31 = 11,192,034.38 : x
  2. Step 2: Convert to fraction form
    20,484,664.29/28,268,502.31 = 11,192,034.38/x
  3. Step 3: Cross multiply
    20,484,664.29x = 28,268,502.31 × 11,192,034.38
  4. Step 4: Simplify right side
    20,484,664.29x = 316,382,049,724,629.44
  5. Step 5: Solve for x
    x = 316,382,049,724,629.44/20,484,664.29
  6. Step 6: Final answer
    x = 15,444,824.74

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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.