Home / 21,285,710.40-31,933,231.20-6,906,331.20

Finding the Fourth Proportional to 21,285,710.40, 31,933,231.20 and 6,906,331.20

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Solution

The fourth proportional to 21,285,710.40, 31,933,231.20 and 6,906,331.20 is: 10,361,010.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,285,710.40 : 31,933,231.20 = 6,906,331.20 : x
  2. Step 2: Convert to fraction form
    21,285,710.40/31,933,231.20 = 6,906,331.20/x
  3. Step 3: Cross multiply
    21,285,710.40x = 31,933,231.20 × 6,906,331.20
  4. Step 4: Simplify right side
    21,285,710.40x = 220,541,470,953,373.44
  5. Step 5: Solve for x
    x = 220,541,470,953,373.44/21,285,710.40
  6. Step 6: Final answer
    x = 10,361,010.59

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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.