Home / 39,183,240.32-54,072,906.23-21,542,443.03

Finding the Fourth Proportional to 39,183,240.32, 54,072,906.23 and 21,542,443.03

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Solution

The fourth proportional to 39,183,240.32, 54,072,906.23 and 21,542,443.03 is: 29,728,590.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,183,240.32 : 54,072,906.23 = 21,542,443.03 : x
  2. Step 2: Convert to fraction form
    39,183,240.32/54,072,906.23 = 21,542,443.03/x
  3. Step 3: Cross multiply
    39,183,240.32x = 54,072,906.23 × 21,542,443.03
  4. Step 4: Simplify right side
    39,183,240.32x = 1,164,862,501,844,981
  5. Step 5: Solve for x
    x = 1,164,862,501,844,981/39,183,240.32
  6. Step 6: Final answer
    x = 29,728,590.40

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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.