Home / 8,462,986.25-12,694,451.70-3,071,629.49

Finding the Fourth Proportional to 8,462,986.25, 12,694,451.70 and 3,071,629.49

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Solution

The fourth proportional to 8,462,986.25, 12,694,451.70 and 3,071,629.49 is: 4,607,434.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,462,986.25 : 12,694,451.70 = 3,071,629.49 : x
  2. Step 2: Convert to fraction form
    8,462,986.25/12,694,451.70 = 3,071,629.49/x
  3. Step 3: Cross multiply
    8,462,986.25x = 12,694,451.70 × 3,071,629.49
  4. Step 4: Simplify right side
    8,462,986.25x = 38,992,652,201,100.63
  5. Step 5: Solve for x
    x = 38,992,652,201,100.63/8,462,986.25
  6. Step 6: Final answer
    x = 4,607,434.19

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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.