Home / 12,168,200.78-16,792,090.80-6,661,531

Finding the Fourth Proportional to 12,168,200.78, 16,792,090.80 and 6,661,531

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Solution

The fourth proportional to 12,168,200.78, 16,792,090.80 and 6,661,531 is: 9,192,898.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,168,200.78 : 16,792,090.80 = 6,661,531 : x
  2. Step 2: Convert to fraction form
    12,168,200.78/16,792,090.80 = 6,661,531/x
  3. Step 3: Cross multiply
    12,168,200.78x = 16,792,090.80 × 6,661,531
  4. Step 4: Simplify right side
    12,168,200.78x = 111,861,033,419,014.81
  5. Step 5: Solve for x
    x = 111,861,033,419,014.81/12,168,200.78
  6. Step 6: Final answer
    x = 9,192,898.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.