Home / 21,567,789.43-32,367,751.77-15,825,361.93

Finding the Fourth Proportional to 21,567,789.43, 32,367,751.77 and 15,825,361.93

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Solution

The fourth proportional to 21,567,789.43, 32,367,751.77 and 15,825,361.93 is: 23,749,832.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,567,789.43 : 32,367,751.77 = 15,825,361.93 : x
  2. Step 2: Convert to fraction form
    21,567,789.43/32,367,751.77 = 15,825,361.93/x
  3. Step 3: Cross multiply
    21,567,789.43x = 32,367,751.77 × 15,825,361.93
  4. Step 4: Simplify right side
    21,567,789.43x = 512,231,386,620,648.12
  5. Step 5: Solve for x
    x = 512,231,386,620,648.12/21,567,789.43
  6. Step 6: Final answer
    x = 23,749,832.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.