Home / 21,721,000.80-32,581,081.89-8,766,809.31

Finding the Fourth Proportional to 21,721,000.80, 32,581,081.89 and 8,766,809.31

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Solution

The fourth proportional to 21,721,000.80, 32,581,081.89 and 8,766,809.31 is: 13,150,044.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,721,000.80 : 32,581,081.89 = 8,766,809.31 : x
  2. Step 2: Convert to fraction form
    21,721,000.80/32,581,081.89 = 8,766,809.31/x
  3. Step 3: Cross multiply
    21,721,000.80x = 32,581,081.89 × 8,766,809.31
  4. Step 4: Simplify right side
    21,721,000.80x = 285,632,132,043,124.44
  5. Step 5: Solve for x
    x = 285,632,132,043,124.44/21,721,000.80
  6. Step 6: Final answer
    x = 13,150,044.73

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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.