Home / 19,172,464.26-28,759,286.86-8,384,211.96

Finding the Fourth Proportional to 19,172,464.26, 28,759,286.86 and 8,384,211.96

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Solution

The fourth proportional to 19,172,464.26, 28,759,286.86 and 8,384,211.96 is: 12,576,576.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,172,464.26 : 28,759,286.86 = 8,384,211.96 : x
  2. Step 2: Convert to fraction form
    19,172,464.26/28,759,286.86 = 8,384,211.96/x
  3. Step 3: Cross multiply
    19,172,464.26x = 28,759,286.86 × 8,384,211.96
  4. Step 4: Simplify right side
    19,172,464.26x = 241,123,956,852,682.84
  5. Step 5: Solve for x
    x = 241,123,956,852,682.84/19,172,464.26
  6. Step 6: Final answer
    x = 12,576,576.16

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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.