Home / 12,904,954.87-17,809,345.37-7,104,276.35

Finding the Fourth Proportional to 12,904,954.87, 17,809,345.37 and 7,104,276.35

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Solution

The fourth proportional to 12,904,954.87, 17,809,345.37 and 7,104,276.35 is: 9,804,180.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,904,954.87 : 17,809,345.37 = 7,104,276.35 : x
  2. Step 2: Convert to fraction form
    12,904,954.87/17,809,345.37 = 7,104,276.35/x
  3. Step 3: Cross multiply
    12,904,954.87x = 17,809,345.37 × 7,104,276.35
  4. Step 4: Simplify right side
    12,904,954.87x = 126,522,511,085,551.59
  5. Step 5: Solve for x
    x = 126,522,511,085,551.59/12,904,954.87
  6. Step 6: Final answer
    x = 9,804,180.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.