Home / 30,940,989.54-42,698,905.41-17,002,348.21

Finding the Fourth Proportional to 30,940,989.54, 42,698,905.41 and 17,002,348.21

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Solution

The fourth proportional to 30,940,989.54, 42,698,905.41 and 17,002,348.21 is: 23,463,427.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,940,989.54 : 42,698,905.41 = 17,002,348.21 : x
  2. Step 2: Convert to fraction form
    30,940,989.54/42,698,905.41 = 17,002,348.21/x
  3. Step 3: Cross multiply
    30,940,989.54x = 42,698,905.41 × 17,002,348.21
  4. Step 4: Simplify right side
    30,940,989.54x = 725,981,658,083,805.25
  5. Step 5: Solve for x
    x = 725,981,658,083,805.25/30,940,989.54
  6. Step 6: Final answer
    x = 23,463,427.28

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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.