Home / 8,818,858.78-13,228,170.45-4,270,314.58

Finding the Fourth Proportional to 8,818,858.78, 13,228,170.45 and 4,270,314.58

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Solution

The fourth proportional to 8,818,858.78, 13,228,170.45 and 4,270,314.58 is: 6,405,414.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,818,858.78 : 13,228,170.45 = 4,270,314.58 : x
  2. Step 2: Convert to fraction form
    8,818,858.78/13,228,170.45 = 4,270,314.58/x
  3. Step 3: Cross multiply
    8,818,858.78x = 13,228,170.45 × 4,270,314.58
  4. Step 4: Simplify right side
    8,818,858.78x = 56,488,449,139,360.16
  5. Step 5: Solve for x
    x = 56,488,449,139,360.16/8,818,858.78
  6. Step 6: Final answer
    x = 6,405,414.87

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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.