Home / 13,324,542.08-18,387,994.76-7,818,010.61

Finding the Fourth Proportional to 13,324,542.08, 18,387,994.76 and 7,818,010.61

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Solution

The fourth proportional to 13,324,542.08, 18,387,994.76 and 7,818,010.61 is: 10,788,928.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,324,542.08 : 18,387,994.76 = 7,818,010.61 : x
  2. Step 2: Convert to fraction form
    13,324,542.08/18,387,994.76 = 7,818,010.61/x
  3. Step 3: Cross multiply
    13,324,542.08x = 18,387,994.76 × 7,818,010.61
  4. Step 4: Simplify right side
    13,324,542.08x = 143,757,537,999,274.38
  5. Step 5: Solve for x
    x = 143,757,537,999,274.38/13,324,542.08
  6. Step 6: Final answer
    x = 10,788,928.97

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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.