Home / 12,885,449.92-19,342,179.12-5,214,374.56

Finding the Fourth Proportional to 12,885,449.92, 19,342,179.12 and 5,214,374.56

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Solution

The fourth proportional to 12,885,449.92, 19,342,179.12 and 5,214,374.56 is: 7,827,228.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,885,449.92 : 19,342,179.12 = 5,214,374.56 : x
  2. Step 2: Convert to fraction form
    12,885,449.92/19,342,179.12 = 5,214,374.56/x
  3. Step 3: Cross multiply
    12,885,449.92x = 19,342,179.12 × 5,214,374.56
  4. Step 4: Simplify right side
    12,885,449.92x = 100,857,366,738,291.19
  5. Step 5: Solve for x
    x = 100,857,366,738,291.19/12,885,449.92
  6. Step 6: Final answer
    x = 7,827,228.96

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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.