Home / 13,909,229.70-19,194,451.05-7,713,276.57

Finding the Fourth Proportional to 13,909,229.70, 19,194,451.05 and 7,713,276.57

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Solution

The fourth proportional to 13,909,229.70, 19,194,451.05 and 7,713,276.57 is: 10,644,163.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,909,229.70 : 19,194,451.05 = 7,713,276.57 : x
  2. Step 2: Convert to fraction form
    13,909,229.70/19,194,451.05 = 7,713,276.57/x
  3. Step 3: Cross multiply
    13,909,229.70x = 19,194,451.05 × 7,713,276.57
  4. Step 4: Simplify right side
    13,909,229.70x = 148,052,109,557,976.91
  5. Step 5: Solve for x
    x = 148,052,109,557,976.91/13,909,229.70
  6. Step 6: Final answer
    x = 10,644,163.10

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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.