Home / 20,227,840.66-30,335,436.42-6,761,519.38

Finding the Fourth Proportional to 20,227,840.66, 30,335,436.42 and 6,761,519.38

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Solution

The fourth proportional to 20,227,840.66, 30,335,436.42 and 6,761,519.38 is: 10,140,164.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,227,840.66 : 30,335,436.42 = 6,761,519.38 : x
  2. Step 2: Convert to fraction form
    20,227,840.66/30,335,436.42 = 6,761,519.38/x
  3. Step 3: Cross multiply
    20,227,840.66x = 30,335,436.42 × 6,761,519.38
  4. Step 4: Simplify right side
    20,227,840.66x = 205,113,641,254,587.84
  5. Step 5: Solve for x
    x = 205,113,641,254,587.84/20,227,840.66
  6. Step 6: Final answer
    x = 10,140,164.97

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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.