Home / 20,176,843.56-30,265,065.89-9,243,932.04

Finding the Fourth Proportional to 20,176,843.56, 30,265,065.89 and 9,243,932.04

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Solution

The fourth proportional to 20,176,843.56, 30,265,065.89 and 9,243,932.04 is: 13,865,806.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,176,843.56 : 30,265,065.89 = 9,243,932.04 : x
  2. Step 2: Convert to fraction form
    20,176,843.56/30,265,065.89 = 9,243,932.04/x
  3. Step 3: Cross multiply
    20,176,843.56x = 30,265,065.89 × 9,243,932.04
  4. Step 4: Simplify right side
    20,176,843.56x = 279,768,212,145,066.59
  5. Step 5: Solve for x
    x = 279,768,212,145,066.59/20,176,843.56
  6. Step 6: Final answer
    x = 13,865,806.67

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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.