Home / 20,609,902.74-28,440,555.22-11,441,955.54

Finding the Fourth Proportional to 20,609,902.74, 28,440,555.22 and 11,441,955.54

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Solution

The fourth proportional to 20,609,902.74, 28,440,555.22 and 11,441,955.54 is: 15,789,282.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,609,902.74 : 28,440,555.22 = 11,441,955.54 : x
  2. Step 2: Convert to fraction form
    20,609,902.74/28,440,555.22 = 11,441,955.54/x
  3. Step 3: Cross multiply
    20,609,902.74x = 28,440,555.22 × 11,441,955.54
  4. Step 4: Simplify right side
    20,609,902.74x = 325,415,568,360,154.88
  5. Step 5: Solve for x
    x = 325,415,568,360,154.88/20,609,902.74
  6. Step 6: Final answer
    x = 15,789,282.10

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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.