Home / 31,892,681.61-47,857,589.24-13,447,469.61

Finding the Fourth Proportional to 31,892,681.61, 47,857,589.24 and 13,447,469.61

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Solution

The fourth proportional to 31,892,681.61, 47,857,589.24 and 13,447,469.61 is: 20,179,033.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,892,681.61 : 47,857,589.24 = 13,447,469.61 : x
  2. Step 2: Convert to fraction form
    31,892,681.61/47,857,589.24 = 13,447,469.61/x
  3. Step 3: Cross multiply
    31,892,681.61x = 47,857,589.24 × 13,447,469.61
  4. Step 4: Simplify right side
    31,892,681.61x = 643,563,476,845,525.62
  5. Step 5: Solve for x
    x = 643,563,476,845,525.62/31,892,681.61
  6. Step 6: Final answer
    x = 20,179,033.07

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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.