Home / 30,921,352.20-46,382,028.30-21,851,425.80

Finding the Fourth Proportional to 30,921,352.20, 46,382,028.30 and 21,851,425.80

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Solution

The fourth proportional to 30,921,352.20, 46,382,028.30 and 21,851,425.80 is: 32,777,138.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,921,352.20 : 46,382,028.30 = 21,851,425.80 : x
  2. Step 2: Convert to fraction form
    30,921,352.20/46,382,028.30 = 21,851,425.80/x
  3. Step 3: Cross multiply
    30,921,352.20x = 46,382,028.30 × 21,851,425.80
  4. Step 4: Simplify right side
    30,921,352.20x = 1,013,513,449,850,950.12
  5. Step 5: Solve for x
    x = 1,013,513,449,850,950.12/30,921,352.20
  6. Step 6: Final answer
    x = 32,777,138.70

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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.