Home / 20,148,908.81-30,223,691.26-5,771,920.73

Finding the Fourth Proportional to 20,148,908.81, 30,223,691.26 and 5,771,920.73

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Solution

The fourth proportional to 20,148,908.81, 30,223,691.26 and 5,771,920.73 is: 8,657,975.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,148,908.81 : 30,223,691.26 = 5,771,920.73 : x
  2. Step 2: Convert to fraction form
    20,148,908.81/30,223,691.26 = 5,771,920.73/x
  3. Step 3: Cross multiply
    20,148,908.81x = 30,223,691.26 × 5,771,920.73
  4. Step 4: Simplify right side
    20,148,908.81x = 174,448,749,940,735.75
  5. Step 5: Solve for x
    x = 174,448,749,940,735.75/20,148,908.81
  6. Step 6: Final answer
    x = 8,657,975.06

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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.