Home / 13,239,783.12-19,859,645.52-3,524,398.30

Finding the Fourth Proportional to 13,239,783.12, 19,859,645.52 and 3,524,398.30

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Solution

The fourth proportional to 13,239,783.12, 19,859,645.52 and 3,524,398.30 is: 5,286,589.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,239,783.12 : 19,859,645.52 = 3,524,398.30 : x
  2. Step 2: Convert to fraction form
    13,239,783.12/19,859,645.52 = 3,524,398.30/x
  3. Step 3: Cross multiply
    13,239,783.12x = 19,859,645.52 × 3,524,398.30
  4. Step 4: Simplify right side
    13,239,783.12x = 69,993,300,792,370.40
  5. Step 5: Solve for x
    x = 69,993,300,792,370.40/13,239,783.12
  6. Step 6: Final answer
    x = 5,286,589.68

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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.