Home / 12,234,013.60-18,325,791.60-7,169,975.20

Finding the Fourth Proportional to 12,234,013.60, 18,325,791.60 and 7,169,975.20

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Solution

The fourth proportional to 12,234,013.60, 18,325,791.60 and 7,169,975.20 is: 10,740,176.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,234,013.60 : 18,325,791.60 = 7,169,975.20 : x
  2. Step 2: Convert to fraction form
    12,234,013.60/18,325,791.60 = 7,169,975.20/x
  3. Step 3: Cross multiply
    12,234,013.60x = 18,325,791.60 × 7,169,975.20
  4. Step 4: Simplify right side
    12,234,013.60x = 131,395,471,292,368.33
  5. Step 5: Solve for x
    x = 131,395,471,292,368.33/12,234,013.60
  6. Step 6: Final answer
    x = 10,740,176.98

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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.