Home / 15,981,009.84-23,971,961.40-5,198,310.72

Finding the Fourth Proportional to 15,981,009.84, 23,971,961.40 and 5,198,310.72

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Solution

The fourth proportional to 15,981,009.84, 23,971,961.40 and 5,198,310.72 is: 7,797,611.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,981,009.84 : 23,971,961.40 = 5,198,310.72 : x
  2. Step 2: Convert to fraction form
    15,981,009.84/23,971,961.40 = 5,198,310.72/x
  3. Step 3: Cross multiply
    15,981,009.84x = 23,971,961.40 × 5,198,310.72
  4. Step 4: Simplify right side
    15,981,009.84x = 124,613,703,905,552.53
  5. Step 5: Solve for x
    x = 124,613,703,905,552.53/15,981,009.84
  6. Step 6: Final answer
    x = 7,797,611.36

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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.