Home / 19,172,474.52-28,759,302.24-8,384,222.20

Finding the Fourth Proportional to 19,172,474.52, 28,759,302.24 and 8,384,222.20

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Solution

The fourth proportional to 19,172,474.52, 28,759,302.24 and 8,384,222.20 is: 12,576,591.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,172,474.52 : 28,759,302.24 = 8,384,222.20 : x
  2. Step 2: Convert to fraction form
    19,172,474.52/28,759,302.24 = 8,384,222.20/x
  3. Step 3: Cross multiply
    19,172,474.52x = 28,759,302.24 × 8,384,222.20
  4. Step 4: Simplify right side
    19,172,474.52x = 241,124,380,297,117.72
  5. Step 5: Solve for x
    x = 241,124,380,297,117.72/19,172,474.52
  6. Step 6: Final answer
    x = 12,576,591.51

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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.