Home / 14,702,147.60-20,285,990.53-8,589,395.12

Finding the Fourth Proportional to 14,702,147.60, 20,285,990.53 and 8,589,395.12

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Solution

The fourth proportional to 14,702,147.60, 20,285,990.53 and 8,589,395.12 is: 11,851,628.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,702,147.60 : 20,285,990.53 = 8,589,395.12 : x
  2. Step 2: Convert to fraction form
    14,702,147.60/20,285,990.53 = 8,589,395.12/x
  3. Step 3: Cross multiply
    14,702,147.60x = 20,285,990.53 × 8,589,395.12
  4. Step 4: Simplify right side
    14,702,147.60x = 174,244,387,939,844.78
  5. Step 5: Solve for x
    x = 174,244,387,939,844.78/14,702,147.60
  6. Step 6: Final answer
    x = 11,851,628.26

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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.