Home / 30,218,772.28-41,683,737.90-18,452,668.54

Finding the Fourth Proportional to 30,218,772.28, 41,683,737.90 and 18,452,668.54

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Solution

The fourth proportional to 30,218,772.28, 41,683,737.90 and 18,452,668.54 is: 25,453,588.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,218,772.28 : 41,683,737.90 = 18,452,668.54 : x
  2. Step 2: Convert to fraction form
    30,218,772.28/41,683,737.90 = 18,452,668.54/x
  3. Step 3: Cross multiply
    30,218,772.28x = 41,683,737.90 × 18,452,668.54
  4. Step 4: Simplify right side
    30,218,772.28x = 769,176,198,976,935.62
  5. Step 5: Solve for x
    x = 769,176,198,976,935.62/30,218,772.28
  6. Step 6: Final answer
    x = 25,453,588.65

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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.