Home / 30,940,990.91-42,698,907.31-17,002,349.59

Finding the Fourth Proportional to 30,940,990.91, 42,698,907.31 and 17,002,349.59

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Solution

The fourth proportional to 30,940,990.91, 42,698,907.31 and 17,002,349.59 is: 23,463,429.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,940,990.91 : 42,698,907.31 = 17,002,349.59 : x
  2. Step 2: Convert to fraction form
    30,940,990.91/42,698,907.31 = 17,002,349.59/x
  3. Step 3: Cross multiply
    30,940,990.91x = 42,698,907.31 × 17,002,349.59
  4. Step 4: Simplify right side
    30,940,990.91x = 725,981,749,195,626.50
  5. Step 5: Solve for x
    x = 725,981,749,195,626.50/30,940,990.91
  6. Step 6: Final answer
    x = 23,463,429.19

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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.