Home / 12,904,958.12-17,809,349.85-7,104,279.60

Finding the Fourth Proportional to 12,904,958.12, 17,809,349.85 and 7,104,279.60

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Solution

The fourth proportional to 12,904,958.12, 17,809,349.85 and 7,104,279.60 is: 9,804,185.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,904,958.12 : 17,809,349.85 = 7,104,279.60 : x
  2. Step 2: Convert to fraction form
    12,904,958.12/17,809,349.85 = 7,104,279.60/x
  3. Step 3: Cross multiply
    12,904,958.12x = 17,809,349.85 × 7,104,279.60
  4. Step 4: Simplify right side
    12,904,958.12x = 126,522,600,828,618.06
  5. Step 5: Solve for x
    x = 126,522,600,828,618.06/12,904,958.12
  6. Step 6: Final answer
    x = 9,804,185.31

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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.