Home / 8,404,286.70-12,578,436.45-7,396,517.10

Finding the Fourth Proportional to 8,404,286.70, 12,578,436.45 and 7,396,517.10

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Solution

The fourth proportional to 8,404,286.70, 12,578,436.45 and 7,396,517.10 is: 11,070,138.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,404,286.70 : 12,578,436.45 = 7,396,517.10 : x
  2. Step 2: Convert to fraction form
    8,404,286.70/12,578,436.45 = 7,396,517.10/x
  3. Step 3: Cross multiply
    8,404,286.70x = 12,578,436.45 × 7,396,517.10
  4. Step 4: Simplify right side
    8,404,286.70x = 93,036,620,293,688.28
  5. Step 5: Solve for x
    x = 93,036,620,293,688.28/8,404,286.70
  6. Step 6: Final answer
    x = 11,070,138.80

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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.