Home / 8,611,930.68-12,909,023.94-3,821,875.80

Finding the Fourth Proportional to 8,611,930.68, 12,909,023.94 and 3,821,875.80

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Solution

The fourth proportional to 8,611,930.68, 12,909,023.94 and 3,821,875.80 is: 5,728,876.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,611,930.68 : 12,909,023.94 = 3,821,875.80 : x
  2. Step 2: Convert to fraction form
    8,611,930.68/12,909,023.94 = 3,821,875.80/x
  3. Step 3: Cross multiply
    8,611,930.68x = 12,909,023.94 × 3,821,875.80
  4. Step 4: Simplify right side
    8,611,930.68x = 49,336,686,197,906.65
  5. Step 5: Solve for x
    x = 49,336,686,197,906.65/8,611,930.68
  6. Step 6: Final answer
    x = 5,728,876.37

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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.