Home / 21,003,104.70-31,504,657.05-16,751,576.70

Finding the Fourth Proportional to 21,003,104.70, 31,504,657.05 and 16,751,576.70

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Solution

The fourth proportional to 21,003,104.70, 31,504,657.05 and 16,751,576.70 is: 25,127,365.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,003,104.70 : 31,504,657.05 = 16,751,576.70 : x
  2. Step 2: Convert to fraction form
    21,003,104.70/31,504,657.05 = 16,751,576.70/x
  3. Step 3: Cross multiply
    21,003,104.70x = 31,504,657.05 × 16,751,576.70
  4. Step 4: Simplify right side
    21,003,104.70x = 527,752,678,980,270.75
  5. Step 5: Solve for x
    x = 527,752,678,980,270.75/21,003,104.70
  6. Step 6: Final answer
    x = 25,127,365.05

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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.