Home / 11,075,429.40-16,613,144.10-7,863,163.80

Finding the Fourth Proportional to 11,075,429.40, 16,613,144.10 and 7,863,163.80

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Solution

The fourth proportional to 11,075,429.40, 16,613,144.10 and 7,863,163.80 is: 11,794,745.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,075,429.40 : 16,613,144.10 = 7,863,163.80 : x
  2. Step 2: Convert to fraction form
    11,075,429.40/16,613,144.10 = 7,863,163.80/x
  3. Step 3: Cross multiply
    11,075,429.40x = 16,613,144.10 × 7,863,163.80
  4. Step 4: Simplify right side
    11,075,429.40x = 130,631,873,291,303.58
  5. Step 5: Solve for x
    x = 130,631,873,291,303.58/11,075,429.40
  6. Step 6: Final answer
    x = 11,794,745.70

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Double scale
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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.