Home / 28,290,668.94-42,436,299.87-22,646,770.38

Finding the Fourth Proportional to 28,290,668.94, 42,436,299.87 and 22,646,770.38

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Solution

The fourth proportional to 28,290,668.94, 42,436,299.87 and 22,646,770.38 is: 33,970,392.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,290,668.94 : 42,436,299.87 = 22,646,770.38 : x
  2. Step 2: Convert to fraction form
    28,290,668.94/42,436,299.87 = 22,646,770.38/x
  3. Step 3: Cross multiply
    28,290,668.94x = 42,436,299.87 × 22,646,770.38
  4. Step 4: Simplify right side
    28,290,668.94x = 961,045,138,932,713.75
  5. Step 5: Solve for x
    x = 961,045,138,932,713.75/28,290,668.94
  6. Step 6: Final answer
    x = 33,970,392.89

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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.