Home / 20,198,117.16-30,297,797.82-8,832,715.56

Finding the Fourth Proportional to 20,198,117.16, 30,297,797.82 and 8,832,715.56

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Solution

The fourth proportional to 20,198,117.16, 30,297,797.82 and 8,832,715.56 is: 13,249,345.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,198,117.16 : 30,297,797.82 = 8,832,715.56 : x
  2. Step 2: Convert to fraction form
    20,198,117.16/30,297,797.82 = 8,832,715.56/x
  3. Step 3: Cross multiply
    20,198,117.16x = 30,297,797.82 × 8,832,715.56
  4. Step 4: Simplify right side
    20,198,117.16x = 267,611,830,238,448.09
  5. Step 5: Solve for x
    x = 267,611,830,238,448.09/20,198,117.16
  6. Step 6: Final answer
    x = 13,249,345.38

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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.