Home / 21,620,498.61-29,836,286.92-11,830,943.96

Finding the Fourth Proportional to 21,620,498.61, 29,836,286.92 and 11,830,943.96

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Solution

The fourth proportional to 21,620,498.61, 29,836,286.92 and 11,830,943.96 is: 16,326,702.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,620,498.61 : 29,836,286.92 = 11,830,943.96 : x
  2. Step 2: Convert to fraction form
    21,620,498.61/29,836,286.92 = 11,830,943.96/x
  3. Step 3: Cross multiply
    21,620,498.61x = 29,836,286.92 × 11,830,943.96
  4. Step 4: Simplify right side
    21,620,498.61x = 352,991,438,586,394
  5. Step 5: Solve for x
    x = 352,991,438,586,394/21,620,498.61
  6. Step 6: Final answer
    x = 16,326,702.03

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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.