Home / 30,429,539.88-41,993,780.58-16,678,539.24

Finding the Fourth Proportional to 30,429,539.88, 41,993,780.58 and 16,678,539.24

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Solution

The fourth proportional to 30,429,539.88, 41,993,780.58 and 16,678,539.24 is: 23,016,940.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,429,539.88 : 41,993,780.58 = 16,678,539.24 : x
  2. Step 2: Convert to fraction form
    30,429,539.88/41,993,780.58 = 16,678,539.24/x
  3. Step 3: Cross multiply
    30,429,539.88x = 41,993,780.58 × 16,678,539.24
  4. Step 4: Simplify right side
    30,429,539.88x = 700,394,917,239,480
  5. Step 5: Solve for x
    x = 700,394,917,239,480/30,429,539.88
  6. Step 6: Final answer
    x = 23,016,940.78

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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.