Home / 14,144,406.40-21,166,843.20-12,950,012.80

Finding the Fourth Proportional to 14,144,406.40, 21,166,843.20 and 12,950,012.80

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Solution

The fourth proportional to 14,144,406.40, 21,166,843.20 and 12,950,012.80 is: 19,379,455.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,144,406.40 : 21,166,843.20 = 12,950,012.80 : x
  2. Step 2: Convert to fraction form
    14,144,406.40/21,166,843.20 = 12,950,012.80/x
  3. Step 3: Cross multiply
    14,144,406.40x = 21,166,843.20 × 12,950,012.80
  4. Step 4: Simplify right side
    14,144,406.40x = 274,110,890,375,592.97
  5. Step 5: Solve for x
    x = 274,110,890,375,592.97/14,144,406.40
  6. Step 6: Final answer
    x = 19,379,455.22

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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.