Home / 14,156,771.15-21,131,806.90-12,147,924.17

Finding the Fourth Proportional to 14,156,771.15, 21,131,806.90 and 12,147,924.17

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Solution

The fourth proportional to 14,156,771.15, 21,131,806.90 and 12,147,924.17 is: 18,133,201.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,156,771.15 : 21,131,806.90 = 12,147,924.17 : x
  2. Step 2: Convert to fraction form
    14,156,771.15/21,131,806.90 = 12,147,924.17/x
  3. Step 3: Cross multiply
    14,156,771.15x = 21,131,806.90 × 12,147,924.17
  4. Step 4: Simplify right side
    14,156,771.15x = 256,707,587,796,282.75
  5. Step 5: Solve for x
    x = 256,707,587,796,282.75/14,156,771.15
  6. Step 6: Final answer
    x = 18,133,201.78

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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.