Home / 38,765,104.67-53,496,203.22-21,362,072.69

Finding the Fourth Proportional to 38,765,104.67, 53,496,203.22 and 21,362,072.69

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Solution

The fourth proportional to 38,765,104.67, 53,496,203.22 and 21,362,072.69 is: 29,479,858.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,765,104.67 : 53,496,203.22 = 21,362,072.69 : x
  2. Step 2: Convert to fraction form
    38,765,104.67/53,496,203.22 = 21,362,072.69/x
  3. Step 3: Cross multiply
    38,765,104.67x = 53,496,203.22 × 21,362,072.69
  4. Step 4: Simplify right side
    38,765,104.67x = 1,142,789,781,958,392.50
  5. Step 5: Solve for x
    x = 1,142,789,781,958,392.50/38,765,104.67
  6. Step 6: Final answer
    x = 29,479,858.02

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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.