Home / 30,310,169.97-45,493,998.69-18,760,701.13

Finding the Fourth Proportional to 30,310,169.97, 45,493,998.69 and 18,760,701.13

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Solution

The fourth proportional to 30,310,169.97, 45,493,998.69 and 18,760,701.13 is: 28,158,842.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,310,169.97 : 45,493,998.69 = 18,760,701.13 : x
  2. Step 2: Convert to fraction form
    30,310,169.97/45,493,998.69 = 18,760,701.13/x
  3. Step 3: Cross multiply
    30,310,169.97x = 45,493,998.69 × 18,760,701.13
  4. Step 4: Simplify right side
    30,310,169.97x = 853,499,312,631,701.38
  5. Step 5: Solve for x
    x = 853,499,312,631,701.38/30,310,169.97
  6. Step 6: Final answer
    x = 28,158,842.84

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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.