Home / 21,182,237.56-29,229,148.92-11,887,675.83

Finding the Fourth Proportional to 21,182,237.56, 29,229,148.92 and 11,887,675.83

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Solution

The fourth proportional to 21,182,237.56, 29,229,148.92 and 11,887,675.83 is: 16,403,680.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,182,237.56 : 29,229,148.92 = 11,887,675.83 : x
  2. Step 2: Convert to fraction form
    21,182,237.56/29,229,148.92 = 11,887,675.83/x
  3. Step 3: Cross multiply
    21,182,237.56x = 29,229,148.92 × 11,887,675.83
  4. Step 4: Simplify right side
    21,182,237.56x = 347,466,647,092,025.19
  5. Step 5: Solve for x
    x = 347,466,647,092,025.19/21,182,237.56
  6. Step 6: Final answer
    x = 16,403,680.03

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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.