Home / 14,144,336.40-21,166,738.20-12,949,942.80

Finding the Fourth Proportional to 14,144,336.40, 21,166,738.20 and 12,949,942.80

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Solution

The fourth proportional to 14,144,336.40, 21,166,738.20 and 12,949,942.80 is: 19,379,350.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,144,336.40 : 21,166,738.20 = 12,949,942.80 : x
  2. Step 2: Convert to fraction form
    14,144,336.40/21,166,738.20 = 12,949,942.80/x
  3. Step 3: Cross multiply
    14,144,336.40x = 21,166,738.20 × 12,949,942.80
  4. Step 4: Simplify right side
    14,144,336.40x = 274,108,048,952,574.97
  5. Step 5: Solve for x
    x = 274,108,048,952,574.97/14,144,336.40
  6. Step 6: Final answer
    x = 19,379,350.24

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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.