Home / 14,904,031.68-20,569,741.92-8,378,198.56

Finding the Fourth Proportional to 14,904,031.68, 20,569,741.92 and 8,378,198.56

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Solution

The fourth proportional to 14,904,031.68, 20,569,741.92 and 8,378,198.56 is: 11,563,138.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,904,031.68 : 20,569,741.92 = 8,378,198.56 : x
  2. Step 2: Convert to fraction form
    14,904,031.68/20,569,741.92 = 8,378,198.56/x
  3. Step 3: Cross multiply
    14,904,031.68x = 20,569,741.92 × 8,378,198.56
  4. Step 4: Simplify right side
    14,904,031.68x = 172,337,382,133,715.66
  5. Step 5: Solve for x
    x = 172,337,382,133,715.66/14,904,031.68
  6. Step 6: Final answer
    x = 11,563,138.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.