Home / 13,589,647.65-18,753,476.47-7,394,485.37

Finding the Fourth Proportional to 13,589,647.65, 18,753,476.47 and 7,394,485.37

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Solution

The fourth proportional to 13,589,647.65, 18,753,476.47 and 7,394,485.37 is: 10,204,260.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,589,647.65 : 18,753,476.47 = 7,394,485.37 : x
  2. Step 2: Convert to fraction form
    13,589,647.65/18,753,476.47 = 7,394,485.37/x
  3. Step 3: Cross multiply
    13,589,647.65x = 18,753,476.47 × 7,394,485.37
  4. Step 4: Simplify right side
    13,589,647.65x = 138,672,307,281,800.66
  5. Step 5: Solve for x
    x = 138,672,307,281,800.66/13,589,647.65
  6. Step 6: Final answer
    x = 10,204,260.69

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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.