Home / 26,958,772.80-40,438,159.20-20,581,480.80

Finding the Fourth Proportional to 26,958,772.80, 40,438,159.20 and 20,581,480.80

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Solution

The fourth proportional to 26,958,772.80, 40,438,159.20 and 20,581,480.80 is: 30,872,221.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,958,772.80 : 40,438,159.20 = 20,581,480.80 : x
  2. Step 2: Convert to fraction form
    26,958,772.80/40,438,159.20 = 20,581,480.80/x
  3. Step 3: Cross multiply
    26,958,772.80x = 40,438,159.20 × 20,581,480.80
  4. Step 4: Simplify right side
    26,958,772.80x = 832,277,197,162,143.50
  5. Step 5: Solve for x
    x = 832,277,197,162,143.50/26,958,772.80
  6. Step 6: Final answer
    x = 30,872,221.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.