Home / 30,873,490.72-42,608,033.84-17,126,883.52

Finding the Fourth Proportional to 30,873,490.72, 42,608,033.84 and 17,126,883.52

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Solution

The fourth proportional to 30,873,490.72, 42,608,033.84 and 17,126,883.52 is: 23,636,550.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,873,490.72 : 42,608,033.84 = 17,126,883.52 : x
  2. Step 2: Convert to fraction form
    30,873,490.72/42,608,033.84 = 17,126,883.52/x
  3. Step 3: Cross multiply
    30,873,490.72x = 42,608,033.84 × 17,126,883.52
  4. Step 4: Simplify right side
    30,873,490.72x = 729,742,832,593,898.38
  5. Step 5: Solve for x
    x = 729,742,832,593,898.38/30,873,490.72
  6. Step 6: Final answer
    x = 23,636,550.83

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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.