Home / 19,741,801.86-27,243,174.96-10,921,578.93

Finding the Fourth Proportional to 19,741,801.86, 27,243,174.96 and 10,921,578.93

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Solution

The fourth proportional to 19,741,801.86, 27,243,174.96 and 10,921,578.93 is: 15,071,495.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,741,801.86 : 27,243,174.96 = 10,921,578.93 : x
  2. Step 2: Convert to fraction form
    19,741,801.86/27,243,174.96 = 10,921,578.93/x
  3. Step 3: Cross multiply
    19,741,801.86x = 27,243,174.96 × 10,921,578.93
  4. Step 4: Simplify right side
    19,741,801.86x = 297,538,485,629,439.62
  5. Step 5: Solve for x
    x = 297,538,485,629,439.62/19,741,801.86
  6. Step 6: Final answer
    x = 15,071,495.89

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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.