Home / 12,455,659.39-17,188,820.73-6,949,035.37

Finding the Fourth Proportional to 12,455,659.39, 17,188,820.73 and 6,949,035.37

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Solution

The fourth proportional to 12,455,659.39, 17,188,820.73 and 6,949,035.37 is: 9,589,674.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,455,659.39 : 17,188,820.73 = 6,949,035.37 : x
  2. Step 2: Convert to fraction form
    12,455,659.39/17,188,820.73 = 6,949,035.37/x
  3. Step 3: Cross multiply
    12,455,659.39x = 17,188,820.73 × 6,949,035.37
  4. Step 4: Simplify right side
    12,455,659.39x = 119,445,723,221,359.22
  5. Step 5: Solve for x
    x = 119,445,723,221,359.22/12,455,659.39
  6. Step 6: Final answer
    x = 9,589,674.82

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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.