Home / 6,356,086.76-8,771,569.44-3,455,672.78

Finding the Fourth Proportional to 6,356,086.76, 8,771,569.44 and 3,455,672.78

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Solution

The fourth proportional to 6,356,086.76, 8,771,569.44 and 3,455,672.78 is: 4,768,920.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,356,086.76 : 8,771,569.44 = 3,455,672.78 : x
  2. Step 2: Convert to fraction form
    6,356,086.76/8,771,569.44 = 3,455,672.78/x
  3. Step 3: Cross multiply
    6,356,086.76x = 8,771,569.44 × 3,455,672.78
  4. Step 4: Simplify right side
    6,356,086.76x = 30,311,673,751,687.84
  5. Step 5: Solve for x
    x = 30,311,673,751,687.84/6,356,086.76
  6. Step 6: Final answer
    x = 4,768,920.70

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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.