Home / 12,923,115.40-19,384,500.30-3,947,710.60

Finding the Fourth Proportional to 12,923,115.40, 19,384,500.30 and 3,947,710.60

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Solution

The fourth proportional to 12,923,115.40, 19,384,500.30 and 3,947,710.60 is: 5,921,513.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,923,115.40 : 19,384,500.30 = 3,947,710.60 : x
  2. Step 2: Convert to fraction form
    12,923,115.40/19,384,500.30 = 3,947,710.60/x
  3. Step 3: Cross multiply
    12,923,115.40x = 19,384,500.30 × 3,947,710.60
  4. Step 4: Simplify right side
    12,923,115.40x = 76,524,397,310,013.19
  5. Step 5: Solve for x
    x = 76,524,397,310,013.19/12,923,115.40
  6. Step 6: Final answer
    x = 5,921,513.11

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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.