Home / 30,873,481.72-42,608,021.38-17,126,874.52

Finding the Fourth Proportional to 30,873,481.72, 42,608,021.38 and 17,126,874.52

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Solution

The fourth proportional to 30,873,481.72, 42,608,021.38 and 17,126,874.52 is: 23,636,538.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,873,481.72 : 42,608,021.38 = 17,126,874.52 : x
  2. Step 2: Convert to fraction form
    30,873,481.72/42,608,021.38 = 17,126,874.52/x
  3. Step 3: Cross multiply
    30,873,481.72x = 42,608,021.38 × 17,126,874.52
  4. Step 4: Simplify right side
    30,873,481.72x = 729,742,235,720,737.25
  5. Step 5: Solve for x
    x = 729,742,235,720,737.25/30,873,481.72
  6. Step 6: Final answer
    x = 23,636,538.38

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1.5x scale

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.