Home / 12,181,735.76-16,809,193.96-7,285,169.12

Finding the Fourth Proportional to 12,181,735.76, 16,809,193.96 and 7,285,169.12

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Solution

The fourth proportional to 12,181,735.76, 16,809,193.96 and 7,285,169.12 is: 10,052,575.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,181,735.76 : 16,809,193.96 = 7,285,169.12 : x
  2. Step 2: Convert to fraction form
    12,181,735.76/16,809,193.96 = 7,285,169.12/x
  3. Step 3: Cross multiply
    12,181,735.76x = 16,809,193.96 × 7,285,169.12
  4. Step 4: Simplify right side
    12,181,735.76x = 122,457,820,769,482.53
  5. Step 5: Solve for x
    x = 122,457,820,769,482.53/12,181,735.76
  6. Step 6: Final answer
    x = 10,052,575.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.