Home / 20,223,321.08-30,339,476.94-9,434,736.60

Finding the Fourth Proportional to 20,223,321.08, 30,339,476.94 and 9,434,736.60

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Solution

The fourth proportional to 20,223,321.08, 30,339,476.94 and 9,434,736.60 is: 14,154,202.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,223,321.08 : 30,339,476.94 = 9,434,736.60 : x
  2. Step 2: Convert to fraction form
    20,223,321.08/30,339,476.94 = 9,434,736.60/x
  3. Step 3: Cross multiply
    20,223,321.08x = 30,339,476.94 × 9,434,736.60
  4. Step 4: Simplify right side
    20,223,321.08x = 286,244,973,510,674
  5. Step 5: Solve for x
    x = 286,244,973,510,674/20,223,321.08
  6. Step 6: Final answer
    x = 14,154,202.09

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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.