Home / 20,029,229.30-30,042,941.13-8,352,792.56

Finding the Fourth Proportional to 20,029,229.30, 30,042,941.13 and 8,352,792.56

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Solution

The fourth proportional to 20,029,229.30, 30,042,941.13 and 8,352,792.56 is: 12,528,812.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,029,229.30 : 30,042,941.13 = 8,352,792.56 : x
  2. Step 2: Convert to fraction form
    20,029,229.30/30,042,941.13 = 8,352,792.56/x
  3. Step 3: Cross multiply
    20,029,229.30x = 30,042,941.13 × 8,352,792.56
  4. Step 4: Simplify right side
    20,029,229.30x = 250,942,455,226,289.34
  5. Step 5: Solve for x
    x = 250,942,455,226,289.34/20,029,229.30
  6. Step 6: Final answer
    x = 12,528,812.34

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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.