Home / 10,109,940.80-15,164,911.20-4,441,236.80

Finding the Fourth Proportional to 10,109,940.80, 15,164,911.20 and 4,441,236.80

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Solution

The fourth proportional to 10,109,940.80, 15,164,911.20 and 4,441,236.80 is: 6,661,855.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,109,940.80 : 15,164,911.20 = 4,441,236.80 : x
  2. Step 2: Convert to fraction form
    10,109,940.80/15,164,911.20 = 4,441,236.80/x
  3. Step 3: Cross multiply
    10,109,940.80x = 15,164,911.20 × 4,441,236.80
  4. Step 4: Simplify right side
    10,109,940.80x = 67,350,961,690,172.16
  5. Step 5: Solve for x
    x = 67,350,961,690,172.16/10,109,940.80
  6. Step 6: Final answer
    x = 6,661,855.20

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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.