Home / 14,484,631.20-21,729,571.20-7,278,028.80

Finding the Fourth Proportional to 14,484,631.20, 21,729,571.20 and 7,278,028.80

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Solution

The fourth proportional to 14,484,631.20, 21,729,571.20 and 7,278,028.80 is: 10,918,361.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,484,631.20 : 21,729,571.20 = 7,278,028.80 : x
  2. Step 2: Convert to fraction form
    14,484,631.20/21,729,571.20 = 7,278,028.80/x
  3. Step 3: Cross multiply
    14,484,631.20x = 21,729,571.20 × 7,278,028.80
  4. Step 4: Simplify right side
    14,484,631.20x = 158,148,445,005,250.56
  5. Step 5: Solve for x
    x = 158,148,445,005,250.56/14,484,631.20
  6. Step 6: Final answer
    x = 10,918,361.87

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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.