Home / 36,612,431.15-50,521,815.45-21,725,189.51

Finding the Fourth Proportional to 36,612,431.15, 50,521,815.45 and 21,725,189.51

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Solution

The fourth proportional to 36,612,431.15, 50,521,815.45 and 21,725,189.51 is: 29,978,779.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,612,431.15 : 50,521,815.45 = 21,725,189.51 : x
  2. Step 2: Convert to fraction form
    36,612,431.15/50,521,815.45 = 21,725,189.51/x
  3. Step 3: Cross multiply
    36,612,431.15x = 50,521,815.45 × 21,725,189.51
  4. Step 4: Simplify right side
    36,612,431.15x = 1,097,596,015,040,496.12
  5. Step 5: Solve for x
    x = 1,097,596,015,040,496.12/36,612,431.15
  6. Step 6: Final answer
    x = 29,978,779.90

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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.