Home / 6,818,745.21-9,410,088.51-3,878,486.70

Finding the Fourth Proportional to 6,818,745.21, 9,410,088.51 and 3,878,486.70

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Solution

The fourth proportional to 6,818,745.21, 9,410,088.51 and 3,878,486.70 is: 5,352,436.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,818,745.21 : 9,410,088.51 = 3,878,486.70 : x
  2. Step 2: Convert to fraction form
    6,818,745.21/9,410,088.51 = 3,878,486.70/x
  3. Step 3: Cross multiply
    6,818,745.21x = 9,410,088.51 × 3,878,486.70
  4. Step 4: Simplify right side
    6,818,745.21x = 36,496,903,131,857.82
  5. Step 5: Solve for x
    x = 36,496,903,131,857.82/6,818,745.21
  6. Step 6: Final answer
    x = 5,352,436.85

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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.