Home / 10,662,407.80-15,993,611.70-3,089,620.60

Finding the Fourth Proportional to 10,662,407.80, 15,993,611.70 and 3,089,620.60

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Solution

The fourth proportional to 10,662,407.80, 15,993,611.70 and 3,089,620.60 is: 4,634,430.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,662,407.80 : 15,993,611.70 = 3,089,620.60 : x
  2. Step 2: Convert to fraction form
    10,662,407.80/15,993,611.70 = 3,089,620.60/x
  3. Step 3: Cross multiply
    10,662,407.80x = 15,993,611.70 × 3,089,620.60
  4. Step 4: Simplify right side
    10,662,407.80x = 49,414,192,176,721.02
  5. Step 5: Solve for x
    x = 49,414,192,176,721.02/10,662,407.80
  6. Step 6: Final answer
    x = 4,634,430.90

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Similar ratio
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1.5x scale

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.