Home / 13,669,991.70-20,504,987.55-7,276,953.30

Finding the Fourth Proportional to 13,669,991.70, 20,504,987.55 and 7,276,953.30

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Solution

The fourth proportional to 13,669,991.70, 20,504,987.55 and 7,276,953.30 is: 10,915,429.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,669,991.70 : 20,504,987.55 = 7,276,953.30 : x
  2. Step 2: Convert to fraction form
    13,669,991.70/20,504,987.55 = 7,276,953.30/x
  3. Step 3: Cross multiply
    13,669,991.70x = 20,504,987.55 × 7,276,953.30
  4. Step 4: Simplify right side
    13,669,991.70x = 149,213,836,818,431.41
  5. Step 5: Solve for x
    x = 149,213,836,818,431.41/13,669,991.70
  6. Step 6: Final answer
    x = 10,915,429.95

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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.