Home / 28,474,753.23-39,294,963.49-15,421,713.29

Finding the Fourth Proportional to 28,474,753.23, 39,294,963.49 and 15,421,713.29

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Solution

The fourth proportional to 28,474,753.23, 39,294,963.49 and 15,421,713.29 is: 21,281,858.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,474,753.23 : 39,294,963.49 = 15,421,713.29 : x
  2. Step 2: Convert to fraction form
    28,474,753.23/39,294,963.49 = 15,421,713.29/x
  3. Step 3: Cross multiply
    28,474,753.23x = 39,294,963.49 × 15,421,713.29
  4. Step 4: Simplify right side
    28,474,753.23x = 605,995,660,410,214.38
  5. Step 5: Solve for x
    x = 605,995,660,410,214.38/28,474,753.23
  6. Step 6: Final answer
    x = 21,281,858.20

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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.