Home / 20,079,008.20-30,118,512.30-6,614,086.60

Finding the Fourth Proportional to 20,079,008.20, 30,118,512.30 and 6,614,086.60

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Solution

The fourth proportional to 20,079,008.20, 30,118,512.30 and 6,614,086.60 is: 9,921,129.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,079,008.20 : 30,118,512.30 = 6,614,086.60 : x
  2. Step 2: Convert to fraction form
    20,079,008.20/30,118,512.30 = 6,614,086.60/x
  3. Step 3: Cross multiply
    20,079,008.20x = 30,118,512.30 × 6,614,086.60
  4. Step 4: Simplify right side
    20,079,008.20x = 199,206,448,615,365.19
  5. Step 5: Solve for x
    x = 199,206,448,615,365.19/20,079,008.20
  6. Step 6: Final answer
    x = 9,921,129.90

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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.