Home / 7,763,279.32-10,713,289.70-4,278,610.55

Finding the Fourth Proportional to 7,763,279.32, 10,713,289.70 and 4,278,610.55

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Solution

The fourth proportional to 7,763,279.32, 10,713,289.70 and 4,278,610.55 is: 5,904,462.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,763,279.32 : 10,713,289.70 = 4,278,610.55 : x
  2. Step 2: Convert to fraction form
    7,763,279.32/10,713,289.70 = 4,278,610.55/x
  3. Step 3: Cross multiply
    7,763,279.32x = 10,713,289.70 × 4,278,610.55
  4. Step 4: Simplify right side
    7,763,279.32x = 45,837,994,373,106.09
  5. Step 5: Solve for x
    x = 45,837,994,373,106.09/7,763,279.32
  6. Step 6: Final answer
    x = 5,904,462.85

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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.