Home / 8,424,658.26-12,638,622.78-3,236,886.90

Finding the Fourth Proportional to 8,424,658.26, 12,638,622.78 and 3,236,886.90

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Solution

The fourth proportional to 8,424,658.26, 12,638,622.78 and 3,236,886.90 is: 4,855,958.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,424,658.26 : 12,638,622.78 = 3,236,886.90 : x
  2. Step 2: Convert to fraction form
    8,424,658.26/12,638,622.78 = 3,236,886.90/x
  3. Step 3: Cross multiply
    8,424,658.26x = 12,638,622.78 × 3,236,886.90
  4. Step 4: Simplify right side
    8,424,658.26x = 40,909,792,510,623.58
  5. Step 5: Solve for x
    x = 40,909,792,510,623.58/8,424,658.26
  6. Step 6: Final answer
    x = 4,855,958.69

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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.