Home / 20,227,839.66-30,335,434.92-6,761,518.38

Finding the Fourth Proportional to 20,227,839.66, 30,335,434.92 and 6,761,518.38

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Solution

The fourth proportional to 20,227,839.66, 30,335,434.92 and 6,761,518.38 is: 10,140,163.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,227,839.66 : 30,335,434.92 = 6,761,518.38 : x
  2. Step 2: Convert to fraction form
    20,227,839.66/30,335,434.92 = 6,761,518.38/x
  3. Step 3: Cross multiply
    20,227,839.66x = 30,335,434.92 × 6,761,518.38
  4. Step 4: Simplify right side
    20,227,839.66x = 205,113,600,776,873.84
  5. Step 5: Solve for x
    x = 205,113,600,776,873.84/20,227,839.66
  6. Step 6: Final answer
    x = 10,140,163.47

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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.