Home / 15,759,973.09-21,747,825.57-9,144,049.02

Finding the Fourth Proportional to 15,759,973.09, 21,747,825.57 and 9,144,049.02

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Solution

The fourth proportional to 15,759,973.09, 21,747,825.57 and 9,144,049.02 is: 12,618,243.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,759,973.09 : 21,747,825.57 = 9,144,049.02 : x
  2. Step 2: Convert to fraction form
    15,759,973.09/21,747,825.57 = 9,144,049.02/x
  3. Step 3: Cross multiply
    15,759,973.09x = 21,747,825.57 × 9,144,049.02
  4. Step 4: Simplify right side
    15,759,973.09x = 198,863,183,090,489.44
  5. Step 5: Solve for x
    x = 198,863,183,090,489.44/15,759,973.09
  6. Step 6: Final answer
    x = 12,618,243.82

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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.