Home / 38,475,629.92-53,096,369.12-21,072,016.32

Finding the Fourth Proportional to 38,475,629.92, 53,096,369.12 and 21,072,016.32

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Solution

The fourth proportional to 38,475,629.92, 53,096,369.12 and 21,072,016.32 is: 29,079,382.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,475,629.92 : 53,096,369.12 = 21,072,016.32 : x
  2. Step 2: Convert to fraction form
    38,475,629.92/53,096,369.12 = 21,072,016.32/x
  3. Step 3: Cross multiply
    38,475,629.92x = 53,096,369.12 × 21,072,016.32
  4. Step 4: Simplify right side
    38,475,629.92x = 1,118,847,556,629,384
  5. Step 5: Solve for x
    x = 1,118,847,556,629,384/38,475,629.92
  6. Step 6: Final answer
    x = 29,079,382.43

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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.