Home / 11,810,858.31-16,298,984.48-6,378,350.31

Finding the Fourth Proportional to 11,810,858.31, 16,298,984.48 and 6,378,350.31

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Solution

The fourth proportional to 11,810,858.31, 16,298,984.48 and 6,378,350.31 is: 8,802,123.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,810,858.31 : 16,298,984.48 = 6,378,350.31 : x
  2. Step 2: Convert to fraction form
    11,810,858.31/16,298,984.48 = 6,378,350.31/x
  3. Step 3: Cross multiply
    11,810,858.31x = 16,298,984.48 × 6,378,350.31
  4. Step 4: Simplify right side
    11,810,858.31x = 103,960,632,678,801.42
  5. Step 5: Solve for x
    x = 103,960,632,678,801.42/11,810,858.31
  6. Step 6: Final answer
    x = 8,802,123.43

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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.