Home / 9,621,822.20-13,278,120.01-5,271,065.96

Finding the Fourth Proportional to 9,621,822.20, 13,278,120.01 and 5,271,065.96

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Solution

The fourth proportional to 9,621,822.20, 13,278,120.01 and 5,271,065.96 is: 7,274,073.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,621,822.20 : 13,278,120.01 = 5,271,065.96 : x
  2. Step 2: Convert to fraction form
    9,621,822.20/13,278,120.01 = 5,271,065.96/x
  3. Step 3: Cross multiply
    9,621,822.20x = 13,278,120.01 × 5,271,065.96
  4. Step 4: Simplify right side
    9,621,822.20x = 69,989,846,317,937.59
  5. Step 5: Solve for x
    x = 69,989,846,317,937.59/9,621,822.20
  6. Step 6: Final answer
    x = 7,274,073.96

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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.