Home / 13,694,274.69-18,897,868.13-7,582,571.97

Finding the Fourth Proportional to 13,694,274.69, 18,897,868.13 and 7,582,571.97

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Solution

The fourth proportional to 13,694,274.69, 18,897,868.13 and 7,582,571.97 is: 10,463,821.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,694,274.69 : 18,897,868.13 = 7,582,571.97 : x
  2. Step 2: Convert to fraction form
    13,694,274.69/18,897,868.13 = 7,582,571.97/x
  3. Step 3: Cross multiply
    13,694,274.69x = 18,897,868.13 × 7,582,571.97
  4. Step 4: Simplify right side
    13,694,274.69x = 143,294,445,137,381.44
  5. Step 5: Solve for x
    x = 143,294,445,137,381.44/13,694,274.69
  6. Step 6: Final answer
    x = 10,463,821.44

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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.