Home / 20,291,237.64-28,001,157.48-10,998,608.20

Finding the Fourth Proportional to 20,291,237.64, 28,001,157.48 and 10,998,608.20

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Solution

The fourth proportional to 20,291,237.64, 28,001,157.48 and 10,998,608.20 is: 15,177,672.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,291,237.64 : 28,001,157.48 = 10,998,608.20 : x
  2. Step 2: Convert to fraction form
    20,291,237.64/28,001,157.48 = 10,998,608.20/x
  3. Step 3: Cross multiply
    20,291,237.64x = 28,001,157.48 × 10,998,608.20
  4. Step 4: Simplify right side
    20,291,237.64x = 307,973,760,199,016.44
  5. Step 5: Solve for x
    x = 307,973,760,199,016.44/20,291,237.64
  6. Step 6: Final answer
    x = 15,177,672.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.