Home / 14,847,792.64-20,491,392-8,322,530.56

Finding the Fourth Proportional to 14,847,792.64, 20,491,392 and 8,322,530.56

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Solution

The fourth proportional to 14,847,792.64, 20,491,392 and 8,322,530.56 is: 11,485,898.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,847,792.64 : 20,491,392 = 8,322,530.56 : x
  2. Step 2: Convert to fraction form
    14,847,792.64/20,491,392 = 8,322,530.56/x
  3. Step 3: Cross multiply
    14,847,792.64x = 20,491,392 × 8,322,530.56
  4. Step 4: Simplify right side
    14,847,792.64x = 170,540,236,136,939.50
  5. Step 5: Solve for x
    x = 170,540,236,136,939.50/14,847,792.64
  6. Step 6: Final answer
    x = 11,485,898.29

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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.