Home / 30,813,391.80-42,521,959.80-17,062,060.68

Finding the Fourth Proportional to 30,813,391.80, 42,521,959.80 and 17,062,060.68

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Solution

The fourth proportional to 30,813,391.80, 42,521,959.80 and 17,062,060.68 is: 23,545,355.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,813,391.80 : 42,521,959.80 = 17,062,060.68 : x
  2. Step 2: Convert to fraction form
    30,813,391.80/42,521,959.80 = 17,062,060.68/x
  3. Step 3: Cross multiply
    30,813,391.80x = 42,521,959.80 × 17,062,060.68
  4. Step 4: Simplify right side
    30,813,391.80x = 725,512,258,340,120.62
  5. Step 5: Solve for x
    x = 725,512,258,340,120.62/30,813,391.80
  6. Step 6: Final answer
    x = 23,545,355.31

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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.