Home / 13,743,715.02-18,967,999.68-7,942,544.16

Finding the Fourth Proportional to 13,743,715.02, 18,967,999.68 and 7,942,544.16

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Solution

The fourth proportional to 13,743,715.02, 18,967,999.68 and 7,942,544.16 is: 10,961,677.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,743,715.02 : 18,967,999.68 = 7,942,544.16 : x
  2. Step 2: Convert to fraction form
    13,743,715.02/18,967,999.68 = 7,942,544.16/x
  3. Step 3: Cross multiply
    13,743,715.02x = 18,967,999.68 × 7,942,544.16
  4. Step 4: Simplify right side
    13,743,715.02x = 150,654,175,085,265.88
  5. Step 5: Solve for x
    x = 150,654,175,085,265.88/13,743,715.02
  6. Step 6: Final answer
    x = 10,961,677.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.