Home / 28,891,558.85-43,338,861.88-7,326,346.86

Finding the Fourth Proportional to 28,891,558.85, 43,338,861.88 and 7,326,346.86

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Solution

The fourth proportional to 28,891,558.85, 43,338,861.88 and 7,326,346.86 is: 10,989,906.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,891,558.85 : 43,338,861.88 = 7,326,346.86 : x
  2. Step 2: Convert to fraction form
    28,891,558.85/43,338,861.88 = 7,326,346.86/x
  3. Step 3: Cross multiply
    28,891,558.85x = 43,338,861.88 × 7,326,346.86
  4. Step 4: Simplify right side
    28,891,558.85x = 317,515,534,632,195.81
  5. Step 5: Solve for x
    x = 317,515,534,632,195.81/28,891,558.85
  6. Step 6: Final answer
    x = 10,989,906.65

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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.