Home / 21,204,341.87-31,777,086.31-9,661,600.18

Finding the Fourth Proportional to 21,204,341.87, 31,777,086.31 and 9,661,600.18

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Solution

The fourth proportional to 21,204,341.87, 31,777,086.31 and 9,661,600.18 is: 14,478,992.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,204,341.87 : 31,777,086.31 = 9,661,600.18 : x
  2. Step 2: Convert to fraction form
    21,204,341.87/31,777,086.31 = 9,661,600.18/x
  3. Step 3: Cross multiply
    21,204,341.87x = 31,777,086.31 × 9,661,600.18
  4. Step 4: Simplify right side
    21,204,341.87x = 307,017,502,828,138.94
  5. Step 5: Solve for x
    x = 307,017,502,828,138.94/21,204,341.87
  6. Step 6: Final answer
    x = 14,478,992.31

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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.