Home / 20,157,530.92-27,816,591.43-11,900,253.11

Finding the Fourth Proportional to 20,157,530.92, 27,816,591.43 and 11,900,253.11

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Solution

The fourth proportional to 20,157,530.92, 27,816,591.43 and 11,900,253.11 is: 16,421,876.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,157,530.92 : 27,816,591.43 = 11,900,253.11 : x
  2. Step 2: Convert to fraction form
    20,157,530.92/27,816,591.43 = 11,900,253.11/x
  3. Step 3: Cross multiply
    20,157,530.92x = 27,816,591.43 × 11,900,253.11
  4. Step 4: Simplify right side
    20,157,530.92x = 331,024,478,714,247.69
  5. Step 5: Solve for x
    x = 331,024,478,714,247.69/20,157,530.92
  6. Step 6: Final answer
    x = 16,421,876.27

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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.