Home / 19,121,741.82-26,387,857.62-10,419,887.52

Finding the Fourth Proportional to 19,121,741.82, 26,387,857.62 and 10,419,887.52

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Solution

The fourth proportional to 19,121,741.82, 26,387,857.62 and 10,419,887.52 is: 14,379,365.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,121,741.82 : 26,387,857.62 = 10,419,887.52 : x
  2. Step 2: Convert to fraction form
    19,121,741.82/26,387,857.62 = 10,419,887.52/x
  3. Step 3: Cross multiply
    19,121,741.82x = 26,387,857.62 × 10,419,887.52
  4. Step 4: Simplify right side
    19,121,741.82x = 274,958,508,294,174.91
  5. Step 5: Solve for x
    x = 274,958,508,294,174.91/19,121,741.82
  6. Step 6: Final answer
    x = 14,379,365.17

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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.