Home / 18,753,262.23-28,093,495.62-13,820,335.13

Finding the Fourth Proportional to 18,753,262.23, 28,093,495.62 and 13,820,335.13

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Solution

The fourth proportional to 18,753,262.23, 28,093,495.62 and 13,820,335.13 is: 20,703,679.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,753,262.23 : 28,093,495.62 = 13,820,335.13 : x
  2. Step 2: Convert to fraction form
    18,753,262.23/28,093,495.62 = 13,820,335.13/x
  3. Step 3: Cross multiply
    18,753,262.23x = 28,093,495.62 × 13,820,335.13
  4. Step 4: Simplify right side
    18,753,262.23x = 388,261,524,441,021.06
  5. Step 5: Solve for x
    x = 388,261,524,441,021.06/18,753,262.23
  6. Step 6: Final answer
    x = 20,703,679.16

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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.