Home / 13,515,533.80-20,273,085.95-3,280,478.29

Finding the Fourth Proportional to 13,515,533.80, 20,273,085.95 and 3,280,478.29

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Solution

The fourth proportional to 13,515,533.80, 20,273,085.95 and 3,280,478.29 is: 4,920,665.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,515,533.80 : 20,273,085.95 = 3,280,478.29 : x
  2. Step 2: Convert to fraction form
    13,515,533.80/20,273,085.95 = 3,280,478.29/x
  3. Step 3: Cross multiply
    13,515,533.80x = 20,273,085.95 × 3,280,478.29
  4. Step 4: Simplify right side
    13,515,533.80x = 66,505,418,263,193.92
  5. Step 5: Solve for x
    x = 66,505,418,263,193.92/13,515,533.80
  6. Step 6: Final answer
    x = 4,920,665.31

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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.