Home / 13,515,538.30-20,273,092.70-3,280,482.79

Finding the Fourth Proportional to 13,515,538.30, 20,273,092.70 and 3,280,482.79

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Solution

The fourth proportional to 13,515,538.30, 20,273,092.70 and 3,280,482.79 is: 4,920,672.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,515,538.30 : 20,273,092.70 = 3,280,482.79 : x
  2. Step 2: Convert to fraction form
    13,515,538.30/20,273,092.70 = 3,280,482.79/x
  3. Step 3: Cross multiply
    13,515,538.30x = 20,273,092.70 × 3,280,482.79
  4. Step 4: Simplify right side
    13,515,538.30x = 66,505,531,635,339.49
  5. Step 5: Solve for x
    x = 66,505,531,635,339.49/13,515,538.30
  6. Step 6: Final answer
    x = 4,920,672.06

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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.