Home / 13,395,979.62-18,485,889.39-7,595,151.66

Finding the Fourth Proportional to 13,395,979.62, 18,485,889.39 and 7,595,151.66

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Solution

The fourth proportional to 13,395,979.62, 18,485,889.39 and 7,595,151.66 is: 10,480,990.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,395,979.62 : 18,485,889.39 = 7,595,151.66 : x
  2. Step 2: Convert to fraction form
    13,395,979.62/18,485,889.39 = 7,595,151.66/x
  3. Step 3: Cross multiply
    13,395,979.62x = 18,485,889.39 × 7,595,151.66
  4. Step 4: Simplify right side
    13,395,979.62x = 140,403,133,487,034.89
  5. Step 5: Solve for x
    x = 140,403,133,487,034.89/13,395,979.62
  6. Step 6: Final answer
    x = 10,480,990.38

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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.