Home / 30,361,697.85-41,899,615.43-16,610,891.61

Finding the Fourth Proportional to 30,361,697.85, 41,899,615.43 and 16,610,891.61

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Solution

The fourth proportional to 30,361,697.85, 41,899,615.43 and 16,610,891.61 is: 22,923,288.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,361,697.85 : 41,899,615.43 = 16,610,891.61 : x
  2. Step 2: Convert to fraction form
    30,361,697.85/41,899,615.43 = 16,610,891.61/x
  3. Step 3: Cross multiply
    30,361,697.85x = 41,899,615.43 × 16,610,891.61
  4. Step 4: Simplify right side
    30,361,697.85x = 695,989,970,325,359
  5. Step 5: Solve for x
    x = 695,989,970,325,359/30,361,697.85
  6. Step 6: Final answer
    x = 22,923,288.87

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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.