Home / 13,883,430.30-20,825,145.45-10,296,203.55

Finding the Fourth Proportional to 13,883,430.30, 20,825,145.45 and 10,296,203.55

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Solution

The fourth proportional to 13,883,430.30, 20,825,145.45 and 10,296,203.55 is: 15,444,305.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,883,430.30 : 20,825,145.45 = 10,296,203.55 : x
  2. Step 2: Convert to fraction form
    13,883,430.30/20,825,145.45 = 10,296,203.55/x
  3. Step 3: Cross multiply
    13,883,430.30x = 20,825,145.45 × 10,296,203.55
  4. Step 4: Simplify right side
    13,883,430.30x = 214,419,936,511,556.34
  5. Step 5: Solve for x
    x = 214,419,936,511,556.34/13,883,430.30
  6. Step 6: Final answer
    x = 15,444,305.33

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Double scale
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Similar ratio
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1.5x scale

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.