Home / 12,271,999.80-18,407,999.70-4,194,096.60

Finding the Fourth Proportional to 12,271,999.80, 18,407,999.70 and 4,194,096.60

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Solution

The fourth proportional to 12,271,999.80, 18,407,999.70 and 4,194,096.60 is: 6,291,144.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,271,999.80 : 18,407,999.70 = 4,194,096.60 : x
  2. Step 2: Convert to fraction form
    12,271,999.80/18,407,999.70 = 4,194,096.60/x
  3. Step 3: Cross multiply
    12,271,999.80x = 18,407,999.70 × 4,194,096.60
  4. Step 4: Simplify right side
    12,271,999.80x = 77,204,928,954,571.02
  5. Step 5: Solve for x
    x = 77,204,928,954,571.02/12,271,999.80
  6. Step 6: Final answer
    x = 6,291,144.90

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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.