Home / 8,420,990.50-12,626,650.59-3,297,421.54

Finding the Fourth Proportional to 8,420,990.50, 12,626,650.59 and 3,297,421.54

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Solution

The fourth proportional to 8,420,990.50, 12,626,650.59 and 3,297,421.54 is: 4,944,239.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,420,990.50 : 12,626,650.59 = 3,297,421.54 : x
  2. Step 2: Convert to fraction form
    8,420,990.50/12,626,650.59 = 3,297,421.54/x
  3. Step 3: Cross multiply
    8,420,990.50x = 12,626,650.59 × 3,297,421.54
  4. Step 4: Simplify right side
    8,420,990.50x = 41,635,389,633,519.71
  5. Step 5: Solve for x
    x = 41,635,389,633,519.71/8,420,990.50
  6. Step 6: Final answer
    x = 4,944,239.00

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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.