Home / 15,221,076.43-21,006,651.05-9,260,906.35

Finding the Fourth Proportional to 15,221,076.43, 21,006,651.05 and 9,260,906.35

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Solution

The fourth proportional to 15,221,076.43, 21,006,651.05 and 9,260,906.35 is: 12,781,003.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,221,076.43 : 21,006,651.05 = 9,260,906.35 : x
  2. Step 2: Convert to fraction form
    15,221,076.43/21,006,651.05 = 9,260,906.35/x
  3. Step 3: Cross multiply
    15,221,076.43x = 21,006,651.05 × 9,260,906.35
  4. Step 4: Simplify right side
    15,221,076.43x = 194,540,628,123,702.59
  5. Step 5: Solve for x
    x = 194,540,628,123,702.59/15,221,076.43
  6. Step 6: Final answer
    x = 12,781,003.30

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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.