Home / 28,515,505.44-42,775,771.68-8,045,404.32

Finding the Fourth Proportional to 28,515,505.44, 42,775,771.68 and 8,045,404.32

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Solution

The fourth proportional to 28,515,505.44, 42,775,771.68 and 8,045,404.32 is: 12,068,815.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,515,505.44 : 42,775,771.68 = 8,045,404.32 : x
  2. Step 2: Convert to fraction form
    28,515,505.44/42,775,771.68 = 8,045,404.32/x
  3. Step 3: Cross multiply
    28,515,505.44x = 42,775,771.68 × 8,045,404.32
  4. Step 4: Simplify right side
    28,515,505.44x = 344,148,378,265,605.69
  5. Step 5: Solve for x
    x = 344,148,378,265,605.69/28,515,505.44
  6. Step 6: Final answer
    x = 12,068,815.65

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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.