Home / 14,156,767.66-21,131,801.67-12,147,920.68

Finding the Fourth Proportional to 14,156,767.66, 21,131,801.67 and 12,147,920.68

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Solution

The fourth proportional to 14,156,767.66, 21,131,801.67 and 12,147,920.68 is: 18,133,196.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,156,767.66 : 21,131,801.67 = 12,147,920.68 : x
  2. Step 2: Convert to fraction form
    14,156,767.66/21,131,801.67 = 12,147,920.68/x
  3. Step 3: Cross multiply
    14,156,767.66x = 21,131,801.67 × 12,147,920.68
  4. Step 4: Simplify right side
    14,156,767.66x = 256,707,450,512,651.56
  5. Step 5: Solve for x
    x = 256,707,450,512,651.56/14,156,767.66
  6. Step 6: Final answer
    x = 18,133,196.55

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.