Home / 14,145,115.20-21,217,672.80-11,310,763.20

Finding the Fourth Proportional to 14,145,115.20, 21,217,672.80 and 11,310,763.20

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Solution

The fourth proportional to 14,145,115.20, 21,217,672.80 and 11,310,763.20 is: 16,966,144.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,145,115.20 : 21,217,672.80 = 11,310,763.20 : x
  2. Step 2: Convert to fraction form
    14,145,115.20/21,217,672.80 = 11,310,763.20/x
  3. Step 3: Cross multiply
    14,145,115.20x = 21,217,672.80 × 11,310,763.20
  4. Step 4: Simplify right side
    14,145,115.20x = 239,988,072,695,880.94
  5. Step 5: Solve for x
    x = 239,988,072,695,880.94/14,145,115.20
  6. Step 6: Final answer
    x = 16,966,144.80

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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.