Home / 12,181,441.68-18,272,175.96-3,661,777.44

Finding the Fourth Proportional to 12,181,441.68, 18,272,175.96 and 3,661,777.44

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Solution

The fourth proportional to 12,181,441.68, 18,272,175.96 and 3,661,777.44 is: 5,492,670.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,181,441.68 : 18,272,175.96 = 3,661,777.44 : x
  2. Step 2: Convert to fraction form
    12,181,441.68/18,272,175.96 = 3,661,777.44/x
  3. Step 3: Cross multiply
    12,181,441.68x = 18,272,175.96 × 3,661,777.44
  4. Step 4: Simplify right side
    12,181,441.68x = 66,908,641,710,038.34
  5. Step 5: Solve for x
    x = 66,908,641,710,038.34/12,181,441.68
  6. Step 6: Final answer
    x = 5,492,670.20

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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.