Home / 30,310,181.96-45,494,016.62-18,760,713.12

Finding the Fourth Proportional to 30,310,181.96, 45,494,016.62 and 18,760,713.12

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Solution

The fourth proportional to 30,310,181.96, 45,494,016.62 and 18,760,713.12 is: 28,158,860.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,310,181.96 : 45,494,016.62 = 18,760,713.12 : x
  2. Step 2: Convert to fraction form
    30,310,181.96/45,494,016.62 = 18,760,713.12/x
  3. Step 3: Cross multiply
    30,310,181.96x = 45,494,016.62 × 18,760,713.12
  4. Step 4: Simplify right side
    30,310,181.96x = 853,500,194,390,528.62
  5. Step 5: Solve for x
    x = 853,500,194,390,528.62/30,310,181.96
  6. Step 6: Final answer
    x = 28,158,860.80

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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.