Home / 13,515,533.67-20,273,085.76-3,280,478.16

Finding the Fourth Proportional to 13,515,533.67, 20,273,085.76 and 3,280,478.16

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Solution

The fourth proportional to 13,515,533.67, 20,273,085.76 and 3,280,478.16 is: 4,920,665.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,515,533.67 : 20,273,085.76 = 3,280,478.16 : x
  2. Step 2: Convert to fraction form
    13,515,533.67/20,273,085.76 = 3,280,478.16/x
  3. Step 3: Cross multiply
    13,515,533.67x = 20,273,085.76 × 3,280,478.16
  4. Step 4: Simplify right side
    13,515,533.67x = 66,505,415,071,487.01
  5. Step 5: Solve for x
    x = 66,505,415,071,487.01/13,515,533.67
  6. Step 6: Final answer
    x = 4,920,665.12

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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.