Home / 20,169,011.20-30,253,516.80-6,522,131.20

Finding the Fourth Proportional to 20,169,011.20, 30,253,516.80 and 6,522,131.20

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Solution

The fourth proportional to 20,169,011.20, 30,253,516.80 and 6,522,131.20 is: 9,783,196.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,169,011.20 : 30,253,516.80 = 6,522,131.20 : x
  2. Step 2: Convert to fraction form
    20,169,011.20/30,253,516.80 = 6,522,131.20/x
  3. Step 3: Cross multiply
    20,169,011.20x = 30,253,516.80 × 6,522,131.20
  4. Step 4: Simplify right side
    20,169,011.20x = 197,317,405,831,004.16
  5. Step 5: Solve for x
    x = 197,317,405,831,004.16/20,169,011.20
  6. Step 6: Final answer
    x = 9,783,196.80

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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.