Home / 20,134,099.40-30,165,719.70-16,520,300.60

Finding the Fourth Proportional to 20,134,099.40, 30,165,719.70 and 16,520,300.60

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Solution

The fourth proportional to 20,134,099.40, 30,165,719.70 and 16,520,300.60 is: 24,751,380.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,134,099.40 : 30,165,719.70 = 16,520,300.60 : x
  2. Step 2: Convert to fraction form
    20,134,099.40/30,165,719.70 = 16,520,300.60/x
  3. Step 3: Cross multiply
    20,134,099.40x = 30,165,719.70 × 16,520,300.60
  4. Step 4: Simplify right side
    20,134,099.40x = 498,346,757,259,341.81
  5. Step 5: Solve for x
    x = 498,346,757,259,341.81/20,134,099.40
  6. Step 6: Final answer
    x = 24,751,380.60

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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.