Home / 13,628,164.06-20,451,336.80-7,068,918.21

Finding the Fourth Proportional to 13,628,164.06, 20,451,336.80 and 7,068,918.21

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Solution

The fourth proportional to 13,628,164.06, 20,451,336.80 and 7,068,918.21 is: 10,608,092.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,628,164.06 : 20,451,336.80 = 7,068,918.21 : x
  2. Step 2: Convert to fraction form
    13,628,164.06/20,451,336.80 = 7,068,918.21/x
  3. Step 3: Cross multiply
    13,628,164.06x = 20,451,336.80 × 7,068,918.21
  4. Step 4: Simplify right side
    13,628,164.06x = 144,568,827,124,363.12
  5. Step 5: Solve for x
    x = 144,568,827,124,363.12/13,628,164.06
  6. Step 6: Final answer
    x = 10,608,092.66

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1.5x scale

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.