Home / 13,188,728.21-19,769,999.87-6,260,066.17

Finding the Fourth Proportional to 13,188,728.21, 19,769,999.87 and 6,260,066.17

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Solution

The fourth proportional to 13,188,728.21, 19,769,999.87 and 6,260,066.17 is: 9,383,884.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,188,728.21 : 19,769,999.87 = 6,260,066.17 : x
  2. Step 2: Convert to fraction form
    13,188,728.21/19,769,999.87 = 6,260,066.17/x
  3. Step 3: Cross multiply
    13,188,728.21x = 19,769,999.87 × 6,260,066.17
  4. Step 4: Simplify right side
    13,188,728.21x = 123,761,507,333,316.56
  5. Step 5: Solve for x
    x = 123,761,507,333,316.56/13,188,728.21
  6. Step 6: Final answer
    x = 9,383,884.89

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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.