Home / 10,279,923-14,186,604.78-5,695,815.48

Finding the Fourth Proportional to 10,279,923, 14,186,604.78 and 5,695,815.48

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Solution

The fourth proportional to 10,279,923, 14,186,604.78 and 5,695,815.48 is: 7,860,397.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,279,923 : 14,186,604.78 = 5,695,815.48 : x
  2. Step 2: Convert to fraction form
    10,279,923/14,186,604.78 = 5,695,815.48/x
  3. Step 3: Cross multiply
    10,279,923x = 14,186,604.78 × 5,695,815.48
  4. Step 4: Simplify right side
    10,279,923x = 80,804,283,114,566
  5. Step 5: Solve for x
    x = 80,804,283,114,566/10,279,923
  6. Step 6: Final answer
    x = 7,860,397.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.