Home / 8,788,146.57-13,177,414.32-6,978,138.45

Finding the Fourth Proportional to 8,788,146.57, 13,177,414.32 and 6,978,138.45

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Solution

The fourth proportional to 8,788,146.57, 13,177,414.32 and 6,978,138.45 is: 10,463,391.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,788,146.57 : 13,177,414.32 = 6,978,138.45 : x
  2. Step 2: Convert to fraction form
    8,788,146.57/13,177,414.32 = 6,978,138.45/x
  3. Step 3: Cross multiply
    8,788,146.57x = 13,177,414.32 × 6,978,138.45
  4. Step 4: Simplify right side
    8,788,146.57x = 91,953,821,537,972.61
  5. Step 5: Solve for x
    x = 91,953,821,537,972.61/8,788,146.57
  6. Step 6: Final answer
    x = 10,463,391.89

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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.