Home / 8,311,930.40-12,464,785.20-2,918,496.80

Finding the Fourth Proportional to 8,311,930.40, 12,464,785.20 and 2,918,496.80

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Solution

The fourth proportional to 8,311,930.40, 12,464,785.20 and 2,918,496.80 is: 4,376,653.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,311,930.40 : 12,464,785.20 = 2,918,496.80 : x
  2. Step 2: Convert to fraction form
    8,311,930.40/12,464,785.20 = 2,918,496.80/x
  3. Step 3: Cross multiply
    8,311,930.40x = 12,464,785.20 × 2,918,496.80
  4. Step 4: Simplify right side
    8,311,930.40x = 36,378,435,718,887.36
  5. Step 5: Solve for x
    x = 36,378,435,718,887.36/8,311,930.40
  6. Step 6: Final answer
    x = 4,376,653.07

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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.