Home / 13,580,458.40-20,379,661.20-6,394,047.20

Finding the Fourth Proportional to 13,580,458.40, 20,379,661.20 and 6,394,047.20

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Solution

The fourth proportional to 13,580,458.40, 20,379,661.20 and 6,394,047.20 is: 9,595,295.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,580,458.40 : 20,379,661.20 = 6,394,047.20 : x
  2. Step 2: Convert to fraction form
    13,580,458.40/20,379,661.20 = 6,394,047.20/x
  3. Step 3: Cross multiply
    13,580,458.40x = 20,379,661.20 × 6,394,047.20
  4. Step 4: Simplify right side
    13,580,458.40x = 130,308,515,632,808.64
  5. Step 5: Solve for x
    x = 130,308,515,632,808.64/13,580,458.40
  6. Step 6: Final answer
    x = 9,595,295.81

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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.