Home / 28,471,294.92-39,290,181.63-15,418,251.03

Finding the Fourth Proportional to 28,471,294.92, 39,290,181.63 and 15,418,251.03

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Solution

The fourth proportional to 28,471,294.92, 39,290,181.63 and 15,418,251.03 is: 21,277,075.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,471,294.92 : 39,290,181.63 = 15,418,251.03 : x
  2. Step 2: Convert to fraction form
    28,471,294.92/39,290,181.63 = 15,418,251.03/x
  3. Step 3: Cross multiply
    28,471,294.92x = 39,290,181.63 × 15,418,251.03
  4. Step 4: Simplify right side
    28,471,294.92x = 605,785,883,385,634.62
  5. Step 5: Solve for x
    x = 605,785,883,385,634.62/28,471,294.92
  6. Step 6: Final answer
    x = 21,277,075.21

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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.