Home / 20,197,299.86-27,872,376.09-11,029,942.34

Finding the Fourth Proportional to 20,197,299.86, 27,872,376.09 and 11,029,942.34

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Solution

The fourth proportional to 20,197,299.86, 27,872,376.09 and 11,029,942.34 is: 15,221,376.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,197,299.86 : 27,872,376.09 = 11,029,942.34 : x
  2. Step 2: Convert to fraction form
    20,197,299.86/27,872,376.09 = 11,029,942.34/x
  3. Step 3: Cross multiply
    20,197,299.86x = 27,872,376.09 × 11,029,942.34
  4. Step 4: Simplify right side
    20,197,299.86x = 307,430,701,151,494.62
  5. Step 5: Solve for x
    x = 307,430,701,151,494.62/20,197,299.86
  6. Step 6: Final answer
    x = 15,221,376.29

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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.