Home / 13,869,845.56-19,141,816.62-7,989,677.56

Finding the Fourth Proportional to 13,869,845.56, 19,141,816.62 and 7,989,677.56

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Solution

The fourth proportional to 13,869,845.56, 19,141,816.62 and 7,989,677.56 is: 11,026,578.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,869,845.56 : 19,141,816.62 = 7,989,677.56 : x
  2. Step 2: Convert to fraction form
    13,869,845.56/19,141,816.62 = 7,989,677.56/x
  3. Step 3: Cross multiply
    13,869,845.56x = 19,141,816.62 × 7,989,677.56
  4. Step 4: Simplify right side
    13,869,845.56x = 152,936,942,706,449.06
  5. Step 5: Solve for x
    x = 152,936,942,706,449.06/13,869,845.56
  6. Step 6: Final answer
    x = 11,026,578.63

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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.