Home / 8,436,785.40-12,659,785.11-3,578,336.19

Finding the Fourth Proportional to 8,436,785.40, 12,659,785.11 and 3,578,336.19

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Solution

The fourth proportional to 8,436,785.40, 12,659,785.11 and 3,578,336.19 is: 5,369,458.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,436,785.40 : 12,659,785.11 = 3,578,336.19 : x
  2. Step 2: Convert to fraction form
    8,436,785.40/12,659,785.11 = 3,578,336.19/x
  3. Step 3: Cross multiply
    8,436,785.40x = 12,659,785.11 × 3,578,336.19
  4. Step 4: Simplify right side
    8,436,785.40x = 45,300,967,216,736.12
  5. Step 5: Solve for x
    x = 45,300,967,216,736.12/8,436,785.40
  6. Step 6: Final answer
    x = 5,369,458.28

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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.