Home / 14,144,340.40-21,166,744.20-12,949,946.80

Finding the Fourth Proportional to 14,144,340.40, 21,166,744.20 and 12,949,946.80

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Solution

The fourth proportional to 14,144,340.40, 21,166,744.20 and 12,949,946.80 is: 19,379,356.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,144,340.40 : 21,166,744.20 = 12,949,946.80 : x
  2. Step 2: Convert to fraction form
    14,144,340.40/21,166,744.20 = 12,949,946.80/x
  3. Step 3: Cross multiply
    14,144,340.40x = 21,166,744.20 × 12,949,946.80
  4. Step 4: Simplify right side
    14,144,340.40x = 274,108,211,319,208.56
  5. Step 5: Solve for x
    x = 274,108,211,319,208.56/14,144,340.40
  6. Step 6: Final answer
    x = 19,379,356.23

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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.