Home / 31,899,229.80-47,859,903.90-13,961,207.40

Finding the Fourth Proportional to 31,899,229.80, 47,859,903.90 and 13,961,207.40

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Solution

The fourth proportional to 31,899,229.80, 47,859,903.90 and 13,961,207.40 is: 20,946,651.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,899,229.80 : 47,859,903.90 = 13,961,207.40 : x
  2. Step 2: Convert to fraction form
    31,899,229.80/47,859,903.90 = 13,961,207.40/x
  3. Step 3: Cross multiply
    31,899,229.80x = 47,859,903.90 × 13,961,207.40
  4. Step 4: Simplify right side
    31,899,229.80x = 668,182,044,491,968.88
  5. Step 5: Solve for x
    x = 668,182,044,491,968.88/31,899,229.80
  6. Step 6: Final answer
    x = 20,946,651.34

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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.