Home / 7,301,103.21-10,075,114.91-3,992,744.54

Finding the Fourth Proportional to 7,301,103.21, 10,075,114.91 and 3,992,744.54

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Solution

The fourth proportional to 7,301,103.21, 10,075,114.91 and 3,992,744.54 is: 5,509,764.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,301,103.21 : 10,075,114.91 = 3,992,744.54 : x
  2. Step 2: Convert to fraction form
    7,301,103.21/10,075,114.91 = 3,992,744.54/x
  3. Step 3: Cross multiply
    7,301,103.21x = 10,075,114.91 × 3,992,744.54
  4. Step 4: Simplify right side
    7,301,103.21x = 40,227,359,976,435.80
  5. Step 5: Solve for x
    x = 40,227,359,976,435.80/7,301,103.21
  6. Step 6: Final answer
    x = 5,509,764.60

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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.