Home / 20,458,370.89-30,691,598.94-7,504,641.83

Finding the Fourth Proportional to 20,458,370.89, 30,691,598.94 and 7,504,641.83

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Solution

The fourth proportional to 20,458,370.89, 30,691,598.94 and 7,504,641.83 is: 11,258,445.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,458,370.89 : 30,691,598.94 = 7,504,641.83 : x
  2. Step 2: Convert to fraction form
    20,458,370.89/30,691,598.94 = 7,504,641.83/x
  3. Step 3: Cross multiply
    20,458,370.89x = 30,691,598.94 × 7,504,641.83
  4. Step 4: Simplify right side
    20,458,370.89x = 230,329,457,339,579.06
  5. Step 5: Solve for x
    x = 230,329,457,339,579.06/20,458,370.89
  6. Step 6: Final answer
    x = 11,258,445.68

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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.