Home / 12,971,183.36-17,900,236.96-7,090,843.12

Finding the Fourth Proportional to 12,971,183.36, 17,900,236.96 and 7,090,843.12

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Solution

The fourth proportional to 12,971,183.36, 17,900,236.96 and 7,090,843.12 is: 9,785,365.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,971,183.36 : 17,900,236.96 = 7,090,843.12 : x
  2. Step 2: Convert to fraction form
    12,971,183.36/17,900,236.96 = 7,090,843.12/x
  3. Step 3: Cross multiply
    12,971,183.36x = 17,900,236.96 × 7,090,843.12
  4. Step 4: Simplify right side
    12,971,183.36x = 126,927,772,094,185.72
  5. Step 5: Solve for x
    x = 126,927,772,094,185.72/12,971,183.36
  6. Step 6: Final answer
    x = 9,785,365.65

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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.