Home / 8,788,146.98-13,177,414.94-6,978,138.86

Finding the Fourth Proportional to 8,788,146.98, 13,177,414.94 and 6,978,138.86

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Solution

The fourth proportional to 8,788,146.98, 13,177,414.94 and 6,978,138.86 is: 10,463,392.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,788,146.98 : 13,177,414.94 = 6,978,138.86 : x
  2. Step 2: Convert to fraction form
    8,788,146.98/13,177,414.94 = 6,978,138.86/x
  3. Step 3: Cross multiply
    8,788,146.98x = 13,177,414.94 × 6,978,138.86
  4. Step 4: Simplify right side
    8,788,146.98x = 91,953,831,166,380.81
  5. Step 5: Solve for x
    x = 91,953,831,166,380.81/8,788,146.98
  6. Step 6: Final answer
    x = 10,463,392.50

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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.