Home / 21,032,682.90-31,551,976.80-6,654,251.40

Finding the Fourth Proportional to 21,032,682.90, 31,551,976.80 and 6,654,251.40

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Solution

The fourth proportional to 21,032,682.90, 31,551,976.80 and 6,654,251.40 is: 9,982,311.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,032,682.90 : 31,551,976.80 = 6,654,251.40 : x
  2. Step 2: Convert to fraction form
    21,032,682.90/31,551,976.80 = 6,654,251.40/x
  3. Step 3: Cross multiply
    21,032,682.90x = 31,551,976.80 × 6,654,251.40
  4. Step 4: Simplify right side
    21,032,682.90x = 209,954,785,794,167.53
  5. Step 5: Solve for x
    x = 209,954,785,794,167.53/21,032,682.90
  6. Step 6: Final answer
    x = 9,982,311.19

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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.