Home / 8,430,642.24-12,645,972.48-3,946,067.52

Finding the Fourth Proportional to 8,430,642.24, 12,645,972.48 and 3,946,067.52

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Solution

The fourth proportional to 8,430,642.24, 12,645,972.48 and 3,946,067.52 is: 5,919,105.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,430,642.24 : 12,645,972.48 = 3,946,067.52 : x
  2. Step 2: Convert to fraction form
    8,430,642.24/12,645,972.48 = 3,946,067.52/x
  3. Step 3: Cross multiply
    8,430,642.24x = 12,645,972.48 × 3,946,067.52
  4. Step 4: Simplify right side
    8,430,642.24x = 49,901,861,262,141.85
  5. Step 5: Solve for x
    x = 49,901,861,262,141.85/8,430,642.24
  6. Step 6: Final answer
    x = 5,919,105.55

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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.