Home / 18,515,284.92-27,773,019.72-7,591,441.28

Finding the Fourth Proportional to 18,515,284.92, 27,773,019.72 and 7,591,441.28

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Solution

The fourth proportional to 18,515,284.92, 27,773,019.72 and 7,591,441.28 is: 11,387,199.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,515,284.92 : 27,773,019.72 = 7,591,441.28 : x
  2. Step 2: Convert to fraction form
    18,515,284.92/27,773,019.72 = 7,591,441.28/x
  3. Step 3: Cross multiply
    18,515,284.92x = 27,773,019.72 × 7,591,441.28
  4. Step 4: Simplify right side
    18,515,284.92x = 210,837,248,233,796.94
  5. Step 5: Solve for x
    x = 210,837,248,233,796.94/18,515,284.92
  6. Step 6: Final answer
    x = 11,387,199.77

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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.