Home / 30,976,579.86-42,747,765.40-17,039,362.84

Finding the Fourth Proportional to 30,976,579.86, 42,747,765.40 and 17,039,362.84

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Solution

The fourth proportional to 30,976,579.86, 42,747,765.40 and 17,039,362.84 is: 23,514,367.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,976,579.86 : 42,747,765.40 = 17,039,362.84 : x
  2. Step 2: Convert to fraction form
    30,976,579.86/42,747,765.40 = 17,039,362.84/x
  3. Step 3: Cross multiply
    30,976,579.86x = 42,747,765.40 × 17,039,362.84
  4. Step 4: Simplify right side
    30,976,579.86x = 728,394,685,249,797.75
  5. Step 5: Solve for x
    x = 728,394,685,249,797.75/30,976,579.86
  6. Step 6: Final answer
    x = 23,514,367.58

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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.