Home / 15,487,301.27-21,372,997.79-8,518,517.82

Finding the Fourth Proportional to 15,487,301.27, 21,372,997.79 and 8,518,517.82

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Solution

The fourth proportional to 15,487,301.27, 21,372,997.79 and 8,518,517.82 is: 11,755,841.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,487,301.27 : 21,372,997.79 = 8,518,517.82 : x
  2. Step 2: Convert to fraction form
    15,487,301.27/21,372,997.79 = 8,518,517.82/x
  3. Step 3: Cross multiply
    15,487,301.27x = 21,372,997.79 × 8,518,517.82
  4. Step 4: Simplify right side
    15,487,301.27x = 182,066,262,562,231.94
  5. Step 5: Solve for x
    x = 182,066,262,562,231.94/15,487,301.27
  6. Step 6: Final answer
    x = 11,755,841.73

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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.