Home / 28,471,623.12-39,290,644.23-15,418,583.33

Finding the Fourth Proportional to 28,471,623.12, 39,290,644.23 and 15,418,583.33

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Solution

The fourth proportional to 28,471,623.12, 39,290,644.23 and 15,418,583.33 is: 21,277,539.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,471,623.12 : 39,290,644.23 = 15,418,583.33 : x
  2. Step 2: Convert to fraction form
    28,471,623.12/39,290,644.23 = 15,418,583.33/x
  3. Step 3: Cross multiply
    28,471,623.12x = 39,290,644.23 × 15,418,583.33
  4. Step 4: Simplify right side
    28,471,623.12x = 605,806,072,149,638.62
  5. Step 5: Solve for x
    x = 605,806,072,149,638.62/28,471,623.12
  6. Step 6: Final answer
    x = 21,277,539.03

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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.