Home / 9,972,021.42-13,761,600.08-5,621,106.56

Finding the Fourth Proportional to 9,972,021.42, 13,761,600.08 and 5,621,106.56

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Solution

The fourth proportional to 9,972,021.42, 13,761,600.08 and 5,621,106.56 is: 7,757,245.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,972,021.42 : 13,761,600.08 = 5,621,106.56 : x
  2. Step 2: Convert to fraction form
    9,972,021.42/13,761,600.08 = 5,621,106.56/x
  3. Step 3: Cross multiply
    9,972,021.42x = 13,761,600.08 × 5,621,106.56
  4. Step 4: Simplify right side
    9,972,021.42x = 77,355,420,388,870.98
  5. Step 5: Solve for x
    x = 77,355,420,388,870.98/9,972,021.42
  6. Step 6: Final answer
    x = 7,757,245.71

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1.5x scale

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.