Home / 15,638,505.84-21,568,343.04-11,007,620.82

Finding the Fourth Proportional to 15,638,505.84, 21,568,343.04 and 11,007,620.82

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Solution

The fourth proportional to 15,638,505.84, 21,568,343.04 and 11,007,620.82 is: 15,181,510.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,638,505.84 : 21,568,343.04 = 11,007,620.82 : x
  2. Step 2: Convert to fraction form
    15,638,505.84/21,568,343.04 = 11,007,620.82/x
  3. Step 3: Cross multiply
    15,638,505.84x = 21,568,343.04 × 11,007,620.82
  4. Step 4: Simplify right side
    15,638,505.84x = 237,416,141,900,006.09
  5. Step 5: Solve for x
    x = 237,416,141,900,006.09/15,638,505.84
  6. Step 6: Final answer
    x = 15,181,510.58

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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.