Home / 30,987,618.90-46,481,428.35-16,638,711.90

Finding the Fourth Proportional to 30,987,618.90, 46,481,428.35 and 16,638,711.90

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Solution

The fourth proportional to 30,987,618.90, 46,481,428.35 and 16,638,711.90 is: 24,958,067.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,987,618.90 : 46,481,428.35 = 16,638,711.90 : x
  2. Step 2: Convert to fraction form
    30,987,618.90/46,481,428.35 = 16,638,711.90/x
  3. Step 3: Cross multiply
    30,987,618.90x = 46,481,428.35 × 16,638,711.90
  4. Step 4: Simplify right side
    30,987,618.90x = 773,391,095,016,142.38
  5. Step 5: Solve for x
    x = 773,391,095,016,142.38/30,987,618.90
  6. Step 6: Final answer
    x = 24,958,067.85

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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.