Home / 10,631,630.40-15,947,445.60-3,899,169.60

Finding the Fourth Proportional to 10,631,630.40, 15,947,445.60 and 3,899,169.60

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Solution

The fourth proportional to 10,631,630.40, 15,947,445.60 and 3,899,169.60 is: 5,848,754.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,631,630.40 : 15,947,445.60 = 3,899,169.60 : x
  2. Step 2: Convert to fraction form
    10,631,630.40/15,947,445.60 = 3,899,169.60/x
  3. Step 3: Cross multiply
    10,631,630.40x = 15,947,445.60 × 3,899,169.60
  4. Step 4: Simplify right side
    10,631,630.40x = 62,181,795,081,173.76
  5. Step 5: Solve for x
    x = 62,181,795,081,173.76/10,631,630.40
  6. Step 6: Final answer
    x = 5,848,754.40

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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.