Home / 7,924,469.20-11,886,703.80-5,090,117.20

Finding the Fourth Proportional to 7,924,469.20, 11,886,703.80 and 5,090,117.20

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Solution

The fourth proportional to 7,924,469.20, 11,886,703.80 and 5,090,117.20 is: 7,635,175.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,924,469.20 : 11,886,703.80 = 5,090,117.20 : x
  2. Step 2: Convert to fraction form
    7,924,469.20/11,886,703.80 = 5,090,117.20/x
  3. Step 3: Cross multiply
    7,924,469.20x = 11,886,703.80 × 5,090,117.20
  4. Step 4: Simplify right side
    7,924,469.20x = 60,504,715,463,685.37
  5. Step 5: Solve for x
    x = 60,504,715,463,685.37/7,924,469.20
  6. Step 6: Final answer
    x = 7,635,175.80

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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.