Home / 30,920,121.54-46,385,615.79-11,752,553.70

Finding the Fourth Proportional to 30,920,121.54, 46,385,615.79 and 11,752,553.70

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Solution

The fourth proportional to 30,920,121.54, 46,385,615.79 and 11,752,553.70 is: 17,630,895.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,920,121.54 : 46,385,615.79 = 11,752,553.70 : x
  2. Step 2: Convert to fraction form
    30,920,121.54/46,385,615.79 = 11,752,553.70/x
  3. Step 3: Cross multiply
    30,920,121.54x = 46,385,615.79 × 11,752,553.70
  4. Step 4: Simplify right side
    30,920,121.54x = 545,149,440,479,542.88
  5. Step 5: Solve for x
    x = 545,149,440,479,542.88/30,920,121.54
  6. Step 6: Final answer
    x = 17,630,895.78

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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.