Home / 13,614,974.85-18,789,331.83-7,656,257.34

Finding the Fourth Proportional to 13,614,974.85, 18,789,331.83 and 7,656,257.34

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Solution

The fourth proportional to 13,614,974.85, 18,789,331.83 and 7,656,257.34 is: 10,566,009.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,614,974.85 : 18,789,331.83 = 7,656,257.34 : x
  2. Step 2: Convert to fraction form
    13,614,974.85/18,789,331.83 = 7,656,257.34/x
  3. Step 3: Cross multiply
    13,614,974.85x = 18,789,331.83 × 7,656,257.34
  4. Step 4: Simplify right side
    13,614,974.85x = 143,855,959,737,133.12
  5. Step 5: Solve for x
    x = 143,855,959,737,133.12/13,614,974.85
  6. Step 6: Final answer
    x = 10,566,009.95

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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.