Home / 30,970,170.65-42,739,932.22-17,032,604.54

Finding the Fourth Proportional to 30,970,170.65, 42,739,932.22 and 17,032,604.54

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Solution

The fourth proportional to 30,970,170.65, 42,739,932.22 and 17,032,604.54 is: 23,505,597.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,970,170.65 : 42,739,932.22 = 17,032,604.54 : x
  2. Step 2: Convert to fraction form
    30,970,170.65/42,739,932.22 = 17,032,604.54/x
  3. Step 3: Cross multiply
    30,970,170.65x = 42,739,932.22 × 17,032,604.54
  4. Step 4: Simplify right side
    30,970,170.65x = 727,972,363,313,383.12
  5. Step 5: Solve for x
    x = 727,972,363,313,383.12/30,970,170.65
  6. Step 6: Final answer
    x = 23,505,597.42

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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.