Home / 12,177,388.80-16,793,200.44-7,281,813.60

Finding the Fourth Proportional to 12,177,388.80, 16,793,200.44 and 7,281,813.60

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Solution

The fourth proportional to 12,177,388.80, 16,793,200.44 and 7,281,813.60 is: 10,041,968.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,177,388.80 : 16,793,200.44 = 7,281,813.60 : x
  2. Step 2: Convert to fraction form
    12,177,388.80/16,793,200.44 = 7,281,813.60/x
  3. Step 3: Cross multiply
    12,177,388.80x = 16,793,200.44 × 7,281,813.60
  4. Step 4: Simplify right side
    12,177,388.80x = 122,284,955,351,517.98
  5. Step 5: Solve for x
    x = 122,284,955,351,517.98/12,177,388.80
  6. Step 6: Final answer
    x = 10,041,968.55

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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.