Home / 12,455,764.37-17,188,965.53-6,949,140.08

Finding the Fourth Proportional to 12,455,764.37, 17,188,965.53 and 6,949,140.08

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Solution

The fourth proportional to 12,455,764.37, 17,188,965.53 and 6,949,140.08 is: 9,589,819.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,455,764.37 : 17,188,965.53 = 6,949,140.08 : x
  2. Step 2: Convert to fraction form
    12,455,764.37/17,188,965.53 = 6,949,140.08/x
  3. Step 3: Cross multiply
    12,455,764.37x = 17,188,965.53 × 6,949,140.08
  4. Step 4: Simplify right side
    12,455,764.37x = 119,448,529,177,570.91
  5. Step 5: Solve for x
    x = 119,448,529,177,570.91/12,455,764.37
  6. Step 6: Final answer
    x = 9,589,819.27

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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.