Home / 14,351,144.11-21,536,803.73-12,979,029.88

Finding the Fourth Proportional to 14,351,144.11, 21,536,803.73 and 12,979,029.88

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Solution

The fourth proportional to 14,351,144.11, 21,536,803.73 and 12,979,029.88 is: 19,477,667.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,351,144.11 : 21,536,803.73 = 12,979,029.88 : x
  2. Step 2: Convert to fraction form
    14,351,144.11/21,536,803.73 = 12,979,029.88/x
  3. Step 3: Cross multiply
    14,351,144.11x = 21,536,803.73 × 12,979,029.88
  4. Step 4: Simplify right side
    14,351,144.11x = 279,526,819,117,726.97
  5. Step 5: Solve for x
    x = 279,526,819,117,726.97/14,351,144.11
  6. Step 6: Final answer
    x = 19,477,667.91

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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.