Home / 8,317,195.40-12,479,940.30-4,725,720.20

Finding the Fourth Proportional to 8,317,195.40, 12,479,940.30 and 4,725,720.20

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Solution

The fourth proportional to 8,317,195.40, 12,479,940.30 and 4,725,720.20 is: 7,090,936.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,317,195.40 : 12,479,940.30 = 4,725,720.20 : x
  2. Step 2: Convert to fraction form
    8,317,195.40/12,479,940.30 = 4,725,720.20/x
  3. Step 3: Cross multiply
    8,317,195.40x = 12,479,940.30 × 4,725,720.20
  4. Step 4: Simplify right side
    8,317,195.40x = 58,976,705,970,504.06
  5. Step 5: Solve for x
    x = 58,976,705,970,504.06/8,317,195.40
  6. Step 6: Final answer
    x = 7,090,936.68

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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.