Home / 8,768,505.60-13,146,537.60-3,978,489.60

Finding the Fourth Proportional to 8,768,505.60, 13,146,537.60 and 3,978,489.60

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Solution

The fourth proportional to 8,768,505.60, 13,146,537.60 and 3,978,489.60 is: 5,964,911.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,768,505.60 : 13,146,537.60 = 3,978,489.60 : x
  2. Step 2: Convert to fraction form
    8,768,505.60/13,146,537.60 = 3,978,489.60/x
  3. Step 3: Cross multiply
    8,768,505.60x = 13,146,537.60 × 3,978,489.60
  4. Step 4: Simplify right side
    8,768,505.60x = 52,303,363,117,608.96
  5. Step 5: Solve for x
    x = 52,303,363,117,608.96/8,768,505.60
  6. Step 6: Final answer
    x = 5,964,911.87

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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.