Home / 18,515,253.88-27,772,973.09-7,591,410.31

Finding the Fourth Proportional to 18,515,253.88, 27,772,973.09 and 7,591,410.31

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Solution

The fourth proportional to 18,515,253.88, 27,772,973.09 and 7,591,410.31 is: 11,387,153.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,515,253.88 : 27,772,973.09 = 7,591,410.31 : x
  2. Step 2: Convert to fraction form
    18,515,253.88/27,772,973.09 = 7,591,410.31/x
  3. Step 3: Cross multiply
    18,515,253.88x = 27,772,973.09 × 7,591,410.31
  4. Step 4: Simplify right side
    18,515,253.88x = 210,836,034,254,778.53
  5. Step 5: Solve for x
    x = 210,836,034,254,778.53/18,515,253.88
  6. Step 6: Final answer
    x = 11,387,153.30

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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.