Home / 10,435,491.40-15,661,013.10-5,384,201.80

Finding the Fourth Proportional to 10,435,491.40, 15,661,013.10 and 5,384,201.80

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Solution

The fourth proportional to 10,435,491.40, 15,661,013.10 and 5,384,201.80 is: 8,080,314.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,435,491.40 : 15,661,013.10 = 5,384,201.80 : x
  2. Step 2: Convert to fraction form
    10,435,491.40/15,661,013.10 = 5,384,201.80/x
  3. Step 3: Cross multiply
    10,435,491.40x = 15,661,013.10 × 5,384,201.80
  4. Step 4: Simplify right side
    10,435,491.40x = 84,322,054,922,843.58
  5. Step 5: Solve for x
    x = 84,322,054,922,843.58/10,435,491.40
  6. Step 6: Final answer
    x = 8,080,314.73

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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.