Home / 38,765,110.35-53,496,211.05-21,362,078.37

Finding the Fourth Proportional to 38,765,110.35, 53,496,211.05 and 21,362,078.37

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Solution

The fourth proportional to 38,765,110.35, 53,496,211.05 and 21,362,078.37 is: 29,479,865.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,765,110.35 : 53,496,211.05 = 21,362,078.37 : x
  2. Step 2: Convert to fraction form
    38,765,110.35/53,496,211.05 = 21,362,078.37/x
  3. Step 3: Cross multiply
    38,765,110.35x = 53,496,211.05 × 21,362,078.37
  4. Step 4: Simplify right side
    38,765,110.35x = 1,142,790,253,028,267.75
  5. Step 5: Solve for x
    x = 1,142,790,253,028,267.75/38,765,110.35
  6. Step 6: Final answer
    x = 29,479,865.86

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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.