Home / 20,063,794.78-27,690,400.48-11,915,032.78

Finding the Fourth Proportional to 20,063,794.78, 27,690,400.48 and 11,915,032.78

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Solution

The fourth proportional to 20,063,794.78, 27,690,400.48 and 11,915,032.78 is: 16,444,148.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,063,794.78 : 27,690,400.48 = 11,915,032.78 : x
  2. Step 2: Convert to fraction form
    20,063,794.78/27,690,400.48 = 11,915,032.78/x
  3. Step 3: Cross multiply
    20,063,794.78x = 27,690,400.48 × 11,915,032.78
  4. Step 4: Simplify right side
    20,063,794.78x = 329,932,029,272,075.75
  5. Step 5: Solve for x
    x = 329,932,029,272,075.75/20,063,794.78
  6. Step 6: Final answer
    x = 16,444,148.92

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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.