Home / 19,202,102.70-28,732,295.22-11,530,419.72

Finding the Fourth Proportional to 19,202,102.70, 28,732,295.22 and 11,530,419.72

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Solution

The fourth proportional to 19,202,102.70, 28,732,295.22 and 11,530,419.72 is: 17,253,080.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,202,102.70 : 28,732,295.22 = 11,530,419.72 : x
  2. Step 2: Convert to fraction form
    19,202,102.70/28,732,295.22 = 11,530,419.72/x
  3. Step 3: Cross multiply
    19,202,102.70x = 28,732,295.22 × 11,530,419.72
  4. Step 4: Simplify right side
    19,202,102.70x = 331,295,423,405,549.75
  5. Step 5: Solve for x
    x = 331,295,423,405,549.75/19,202,102.70
  6. Step 6: Final answer
    x = 17,253,080.49

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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.