Home / 30,638,836.80-45,919,180.80-16,268,788.80

Finding the Fourth Proportional to 30,638,836.80, 45,919,180.80 and 16,268,788.80

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Solution

The fourth proportional to 30,638,836.80, 45,919,180.80 and 16,268,788.80 is: 24,382,435.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,638,836.80 : 45,919,180.80 = 16,268,788.80 : x
  2. Step 2: Convert to fraction form
    30,638,836.80/45,919,180.80 = 16,268,788.80/x
  3. Step 3: Cross multiply
    30,638,836.80x = 45,919,180.80 × 16,268,788.80
  4. Step 4: Simplify right side
    30,638,836.80x = 747,049,454,304,215
  5. Step 5: Solve for x
    x = 747,049,454,304,215/30,638,836.80
  6. Step 6: Final answer
    x = 24,382,435.25

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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.