Home / 13,839,941.80-20,759,912.70-7,462,649.80

Finding the Fourth Proportional to 13,839,941.80, 20,759,912.70 and 7,462,649.80

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Solution

The fourth proportional to 13,839,941.80, 20,759,912.70 and 7,462,649.80 is: 11,193,974.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,839,941.80 : 20,759,912.70 = 7,462,649.80 : x
  2. Step 2: Convert to fraction form
    13,839,941.80/20,759,912.70 = 7,462,649.80/x
  3. Step 3: Cross multiply
    13,839,941.80x = 20,759,912.70 × 7,462,649.80
  4. Step 4: Simplify right side
    13,839,941.80x = 154,923,958,358,672.44
  5. Step 5: Solve for x
    x = 154,923,958,358,672.44/13,839,941.80
  6. Step 6: Final answer
    x = 11,193,974.70

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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.