Home / 7,858,074.64-11,787,115.05-3,535,075.36

Finding the Fourth Proportional to 7,858,074.64, 11,787,115.05 and 3,535,075.36

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Solution

The fourth proportional to 7,858,074.64, 11,787,115.05 and 3,535,075.36 is: 5,302,614.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,858,074.64 : 11,787,115.05 = 3,535,075.36 : x
  2. Step 2: Convert to fraction form
    7,858,074.64/11,787,115.05 = 3,535,075.36/x
  3. Step 3: Cross multiply
    7,858,074.64x = 11,787,115.05 × 3,535,075.36
  4. Step 4: Simplify right side
    7,858,074.64x = 41,668,339,978,740.17
  5. Step 5: Solve for x
    x = 41,668,339,978,740.17/7,858,074.64
  6. Step 6: Final answer
    x = 5,302,614.43

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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.