Home / 12,127,107.80-18,192,763.20-4,942,550.36

Finding the Fourth Proportional to 12,127,107.80, 18,192,763.20 and 4,942,550.36

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Solution

The fourth proportional to 12,127,107.80, 18,192,763.20 and 4,942,550.36 is: 7,414,682.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,127,107.80 : 18,192,763.20 = 4,942,550.36 : x
  2. Step 2: Convert to fraction form
    12,127,107.80/18,192,763.20 = 4,942,550.36/x
  3. Step 3: Cross multiply
    12,127,107.80x = 18,192,763.20 × 4,942,550.36
  4. Step 4: Simplify right side
    12,127,107.80x = 89,918,648,303,554.75
  5. Step 5: Solve for x
    x = 89,918,648,303,554.75/12,127,107.80
  6. Step 6: Final answer
    x = 7,414,682.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.