Home / 21,182,270.27-29,229,193.85-11,887,708.46

Finding the Fourth Proportional to 21,182,270.27, 29,229,193.85 and 11,887,708.46

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Solution

The fourth proportional to 21,182,270.27, 29,229,193.85 and 11,887,708.46 is: 16,403,724.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,182,270.27 : 29,229,193.85 = 11,887,708.46 : x
  2. Step 2: Convert to fraction form
    21,182,270.27/29,229,193.85 = 11,887,708.46/x
  3. Step 3: Cross multiply
    21,182,270.27x = 29,229,193.85 × 11,887,708.46
  4. Step 4: Simplify right side
    21,182,270.27x = 347,468,134,804,040.44
  5. Step 5: Solve for x
    x = 347,468,134,804,040.44/21,182,270.27
  6. Step 6: Final answer
    x = 16,403,724.93

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.