Home / 20,914,246.62-28,861,035.66-11,621,788.02

Finding the Fourth Proportional to 20,914,246.62, 28,861,035.66 and 11,621,788.02

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Solution

The fourth proportional to 20,914,246.62, 28,861,035.66 and 11,621,788.02 is: 16,037,720.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,914,246.62 : 28,861,035.66 = 11,621,788.02 : x
  2. Step 2: Convert to fraction form
    20,914,246.62/28,861,035.66 = 11,621,788.02/x
  3. Step 3: Cross multiply
    20,914,246.62x = 28,861,035.66 × 11,621,788.02
  4. Step 4: Simplify right side
    20,914,246.62x = 335,416,838,478,180.81
  5. Step 5: Solve for x
    x = 335,416,838,478,180.81/20,914,246.62
  6. Step 6: Final answer
    x = 16,037,720.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.