Home / 11,839,400.30-16,338,371.79-6,406,892.30

Finding the Fourth Proportional to 11,839,400.30, 16,338,371.79 and 6,406,892.30

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Solution

The fourth proportional to 11,839,400.30, 16,338,371.79 and 6,406,892.30 is: 8,841,511.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,839,400.30 : 16,338,371.79 = 6,406,892.30 : x
  2. Step 2: Convert to fraction form
    11,839,400.30/16,338,371.79 = 6,406,892.30/x
  3. Step 3: Cross multiply
    11,839,400.30x = 16,338,371.79 × 6,406,892.30
  4. Step 4: Simplify right side
    11,839,400.30x = 104,678,188,415,888.20
  5. Step 5: Solve for x
    x = 104,678,188,415,888.20/11,839,400.30
  6. Step 6: Final answer
    x = 8,841,511.04

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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.