Home / 21,086,247.48-31,593,263.80-11,508,346.56

Finding the Fourth Proportional to 21,086,247.48, 31,593,263.80 and 11,508,346.56

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Solution

The fourth proportional to 21,086,247.48, 31,593,263.80 and 11,508,346.56 is: 17,242,813.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,086,247.48 : 31,593,263.80 = 11,508,346.56 : x
  2. Step 2: Convert to fraction form
    21,086,247.48/31,593,263.80 = 11,508,346.56/x
  3. Step 3: Cross multiply
    21,086,247.48x = 31,593,263.80 × 11,508,346.56
  4. Step 4: Simplify right side
    21,086,247.48x = 363,586,228,771,902.56
  5. Step 5: Solve for x
    x = 363,586,228,771,902.56/21,086,247.48
  6. Step 6: Final answer
    x = 17,242,813.31

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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.