Home / 31,687,447.56-47,530,661.04-10,121,907.12

Finding the Fourth Proportional to 31,687,447.56, 47,530,661.04 and 10,121,907.12

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Solution

The fourth proportional to 31,687,447.56, 47,530,661.04 and 10,121,907.12 is: 15,182,697.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,687,447.56 : 47,530,661.04 = 10,121,907.12 : x
  2. Step 2: Convert to fraction form
    31,687,447.56/47,530,661.04 = 10,121,907.12/x
  3. Step 3: Cross multiply
    31,687,447.56x = 47,530,661.04 × 10,121,907.12
  4. Step 4: Simplify right side
    31,687,447.56x = 481,100,936,399,082.56
  5. Step 5: Solve for x
    x = 481,100,936,399,082.56/31,687,447.56
  6. Step 6: Final answer
    x = 15,182,697.68

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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.