Home / 38,765,115.75-53,496,218.49-21,362,083.77

Finding the Fourth Proportional to 38,765,115.75, 53,496,218.49 and 21,362,083.77

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Solution

The fourth proportional to 38,765,115.75, 53,496,218.49 and 21,362,083.77 is: 29,479,873.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,765,115.75 : 53,496,218.49 = 21,362,083.77 : x
  2. Step 2: Convert to fraction form
    38,765,115.75/53,496,218.49 = 21,362,083.77/x
  3. Step 3: Cross multiply
    38,765,115.75x = 53,496,218.49 × 21,362,083.77
  4. Step 4: Simplify right side
    38,765,115.75x = 1,142,790,700,761,603
  5. Step 5: Solve for x
    x = 1,142,790,700,761,603/38,765,115.75
  6. Step 6: Final answer
    x = 29,479,873.30

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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.