Home / 11,810,851.56-16,298,975.16-6,378,343.56

Finding the Fourth Proportional to 11,810,851.56, 16,298,975.16 and 6,378,343.56

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Solution

The fourth proportional to 11,810,851.56, 16,298,975.16 and 6,378,343.56 is: 8,802,114.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,810,851.56 : 16,298,975.16 = 6,378,343.56 : x
  2. Step 2: Convert to fraction form
    11,810,851.56/16,298,975.16 = 6,378,343.56/x
  3. Step 3: Cross multiply
    11,810,851.56x = 16,298,975.16 × 6,378,343.56
  4. Step 4: Simplify right side
    11,810,851.56x = 103,960,463,246,385.97
  5. Step 5: Solve for x
    x = 103,960,463,246,385.97/11,810,851.56
  6. Step 6: Final answer
    x = 8,802,114.12

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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.