Home / 20,160,163.60-30,240,245.40-6,696,991.60

Finding the Fourth Proportional to 20,160,163.60, 30,240,245.40 and 6,696,991.60

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Solution

The fourth proportional to 20,160,163.60, 30,240,245.40 and 6,696,991.60 is: 10,045,487.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,160,163.60 : 30,240,245.40 = 6,696,991.60 : x
  2. Step 2: Convert to fraction form
    20,160,163.60/30,240,245.40 = 6,696,991.60/x
  3. Step 3: Cross multiply
    20,160,163.60x = 30,240,245.40 × 6,696,991.60
  4. Step 4: Simplify right side
    20,160,163.60x = 202,518,669,425,738.62
  5. Step 5: Solve for x
    x = 202,518,669,425,738.62/20,160,163.60
  6. Step 6: Final answer
    x = 10,045,487.40

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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.