Home / 14,351,186.45-21,536,867.09-12,979,072.22

Finding the Fourth Proportional to 14,351,186.45, 21,536,867.09 and 12,979,072.22

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Solution

The fourth proportional to 14,351,186.45, 21,536,867.09 and 12,979,072.22 is: 19,477,731.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,351,186.45 : 21,536,867.09 = 12,979,072.22 : x
  2. Step 2: Convert to fraction form
    14,351,186.45/21,536,867.09 = 12,979,072.22/x
  3. Step 3: Cross multiply
    14,351,186.45x = 21,536,867.09 × 12,979,072.22
  4. Step 4: Simplify right side
    14,351,186.45x = 279,528,553,278,414.59
  5. Step 5: Solve for x
    x = 279,528,553,278,414.59/14,351,186.45
  6. Step 6: Final answer
    x = 19,477,731.28

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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.