Home / 13,806,079.09-20,715,218.82-7,239,219.82

Finding the Fourth Proportional to 13,806,079.09, 20,715,218.82 and 7,239,219.82

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Solution

The fourth proportional to 13,806,079.09, 20,715,218.82 and 7,239,219.82 is: 10,862,028.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,806,079.09 : 20,715,218.82 = 7,239,219.82 : x
  2. Step 2: Convert to fraction form
    13,806,079.09/20,715,218.82 = 7,239,219.82/x
  3. Step 3: Cross multiply
    13,806,079.09x = 20,715,218.82 × 7,239,219.82
  4. Step 4: Simplify right side
    13,806,079.09x = 149,962,022,605,592.97
  5. Step 5: Solve for x
    x = 149,962,022,605,592.97/13,806,079.09
  6. Step 6: Final answer
    x = 10,862,028.36

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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.