Home / 12,812,295.56-19,214,488.64-3,715,063.72

Finding the Fourth Proportional to 12,812,295.56, 19,214,488.64 and 3,715,063.72

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Solution

The fourth proportional to 12,812,295.56, 19,214,488.64 and 3,715,063.72 is: 5,571,448.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,812,295.56 : 19,214,488.64 = 3,715,063.72 : x
  2. Step 2: Convert to fraction form
    12,812,295.56/19,214,488.64 = 3,715,063.72/x
  3. Step 3: Cross multiply
    12,812,295.56x = 19,214,488.64 × 3,715,063.72
  4. Step 4: Simplify right side
    12,812,295.56x = 71,383,049,606,067.56
  5. Step 5: Solve for x
    x = 71,383,049,606,067.56/12,812,295.56
  6. Step 6: Final answer
    x = 5,571,448.87

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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.