Home / 20,208,109.68-27,887,592.60-11,041,321.20

Finding the Fourth Proportional to 20,208,109.68, 27,887,592.60 and 11,041,321.20

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Solution

The fourth proportional to 20,208,109.68, 27,887,592.60 and 11,041,321.20 is: 15,237,242.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,208,109.68 : 27,887,592.60 = 11,041,321.20 : x
  2. Step 2: Convert to fraction form
    20,208,109.68/27,887,592.60 = 11,041,321.20/x
  3. Step 3: Cross multiply
    20,208,109.68x = 27,887,592.60 × 11,041,321.20
  4. Step 4: Simplify right side
    20,208,109.68x = 307,915,867,391,343.12
  5. Step 5: Solve for x
    x = 307,915,867,391,343.12/20,208,109.68
  6. Step 6: Final answer
    x = 15,237,242.49

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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.