Home / 30,976,579.37-42,747,764.72-17,039,362.34

Finding the Fourth Proportional to 30,976,579.37, 42,747,764.72 and 17,039,362.34

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Solution

The fourth proportional to 30,976,579.37, 42,747,764.72 and 17,039,362.34 is: 23,514,366.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,976,579.37 : 42,747,764.72 = 17,039,362.34 : x
  2. Step 2: Convert to fraction form
    30,976,579.37/42,747,764.72 = 17,039,362.34/x
  3. Step 3: Cross multiply
    30,976,579.37x = 42,747,764.72 × 17,039,362.34
  4. Step 4: Simplify right side
    30,976,579.37x = 728,394,651,990,213.12
  5. Step 5: Solve for x
    x = 728,394,651,990,213.12/30,976,579.37
  6. Step 6: Final answer
    x = 23,514,366.88

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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.