Home / 18,608,218.77-27,914,078.40-5,477,645.25

Finding the Fourth Proportional to 18,608,218.77, 27,914,078.40 and 5,477,645.25

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Solution

The fourth proportional to 18,608,218.77, 27,914,078.40 and 5,477,645.25 is: 8,216,983.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,608,218.77 : 27,914,078.40 = 5,477,645.25 : x
  2. Step 2: Convert to fraction form
    18,608,218.77/27,914,078.40 = 5,477,645.25/x
  3. Step 3: Cross multiply
    18,608,218.77x = 27,914,078.40 × 5,477,645.25
  4. Step 4: Simplify right side
    18,608,218.77x = 152,903,418,955,887.59
  5. Step 5: Solve for x
    x = 152,903,418,955,887.59/18,608,218.77
  6. Step 6: Final answer
    x = 8,216,983.09

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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.