Home / 19,202,101.92-28,810,409.44-11,531,094.76

Finding the Fourth Proportional to 19,202,101.92, 28,810,409.44 and 11,531,094.76

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Solution

The fourth proportional to 19,202,101.92, 28,810,409.44 and 11,531,094.76 is: 17,300,999.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,202,101.92 : 28,810,409.44 = 11,531,094.76 : x
  2. Step 2: Convert to fraction form
    19,202,101.92/28,810,409.44 = 11,531,094.76/x
  3. Step 3: Cross multiply
    19,202,101.92x = 28,810,409.44 × 11,531,094.76
  4. Step 4: Simplify right side
    19,202,101.92x = 332,215,561,327,038.56
  5. Step 5: Solve for x
    x = 332,215,561,327,038.56/19,202,101.92
  6. Step 6: Final answer
    x = 17,300,999.79

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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.