Home / 20,593,149.80-30,889,724.70-12,090,093.80

Finding the Fourth Proportional to 20,593,149.80, 30,889,724.70 and 12,090,093.80

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Solution

The fourth proportional to 20,593,149.80, 30,889,724.70 and 12,090,093.80 is: 18,135,140.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,593,149.80 : 30,889,724.70 = 12,090,093.80 : x
  2. Step 2: Convert to fraction form
    20,593,149.80/30,889,724.70 = 12,090,093.80/x
  3. Step 3: Cross multiply
    20,593,149.80x = 30,889,724.70 × 12,090,093.80
  4. Step 4: Simplify right side
    20,593,149.80x = 373,459,669,079,176.88
  5. Step 5: Solve for x
    x = 373,459,669,079,176.88/20,593,149.80
  6. Step 6: Final answer
    x = 18,135,140.70

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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.