Home / 14,568,999.90-21,859,623.45-7,829,540.70

Finding the Fourth Proportional to 14,568,999.90, 21,859,623.45 and 7,829,540.70

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Solution

The fourth proportional to 14,568,999.90, 21,859,623.45 and 7,829,540.70 is: 11,747,601.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,568,999.90 : 21,859,623.45 = 7,829,540.70 : x
  2. Step 2: Convert to fraction form
    14,568,999.90/21,859,623.45 = 7,829,540.70/x
  3. Step 3: Cross multiply
    14,568,999.90x = 21,859,623.45 × 7,829,540.70
  4. Step 4: Simplify right side
    14,568,999.90x = 171,150,811,488,449.41
  5. Step 5: Solve for x
    x = 171,150,811,488,449.41/14,568,999.90
  6. Step 6: Final answer
    x = 11,747,601.94

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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.