Home / 21,002,249-31,508,687.92-5,856,180.50

Finding the Fourth Proportional to 21,002,249, 31,508,687.92 and 5,856,180.50

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Solution

The fourth proportional to 21,002,249, 31,508,687.92 and 5,856,180.50 is: 8,785,752.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,002,249 : 31,508,687.92 = 5,856,180.50 : x
  2. Step 2: Convert to fraction form
    21,002,249/31,508,687.92 = 5,856,180.50/x
  3. Step 3: Cross multiply
    21,002,249x = 31,508,687.92 × 5,856,180.50
  4. Step 4: Simplify right side
    21,002,249x = 184,520,563,777,689.56
  5. Step 5: Solve for x
    x = 184,520,563,777,689.56/21,002,249
  6. Step 6: Final answer
    x = 8,785,752.60

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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.