Home / 31,990,357.88-47,986,902.62-12,563,794.16

Finding the Fourth Proportional to 31,990,357.88, 47,986,902.62 and 12,563,794.16

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Solution

The fourth proportional to 31,990,357.88, 47,986,902.62 and 12,563,794.16 is: 18,846,227.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,990,357.88 : 47,986,902.62 = 12,563,794.16 : x
  2. Step 2: Convert to fraction form
    31,990,357.88/47,986,902.62 = 12,563,794.16/x
  3. Step 3: Cross multiply
    31,990,357.88x = 47,986,902.62 × 12,563,794.16
  4. Step 4: Simplify right side
    31,990,357.88x = 602,897,566,893,644.62
  5. Step 5: Solve for x
    x = 602,897,566,893,644.62/31,990,357.88
  6. Step 6: Final answer
    x = 18,846,227.64

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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.