Home / 7,236,727.20-10,855,090.80-5,557,111.20

Finding the Fourth Proportional to 7,236,727.20, 10,855,090.80 and 5,557,111.20

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Solution

The fourth proportional to 7,236,727.20, 10,855,090.80 and 5,557,111.20 is: 8,335,666.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,236,727.20 : 10,855,090.80 = 5,557,111.20 : x
  2. Step 2: Convert to fraction form
    7,236,727.20/10,855,090.80 = 5,557,111.20/x
  3. Step 3: Cross multiply
    7,236,727.20x = 10,855,090.80 × 5,557,111.20
  4. Step 4: Simplify right side
    7,236,727.20x = 60,322,946,661,696.97
  5. Step 5: Solve for x
    x = 60,322,946,661,696.97/7,236,727.20
  6. Step 6: Final answer
    x = 8,335,666.80

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Similar ratio
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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.