Home / 30,192,786.45-45,289,179.68-19,422,248.85

Finding the Fourth Proportional to 30,192,786.45, 45,289,179.68 and 19,422,248.85

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Solution

The fourth proportional to 30,192,786.45, 45,289,179.68 and 19,422,248.85 is: 29,133,373.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,192,786.45 : 45,289,179.68 = 19,422,248.85 : x
  2. Step 2: Convert to fraction form
    30,192,786.45/45,289,179.68 = 19,422,248.85/x
  3. Step 3: Cross multiply
    30,192,786.45x = 45,289,179.68 × 19,422,248.85
  4. Step 4: Simplify right side
    30,192,786.45x = 879,617,717,860,212.12
  5. Step 5: Solve for x
    x = 879,617,717,860,212.12/30,192,786.45
  6. Step 6: Final answer
    x = 29,133,373.28

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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.