Home / 13,202,933.32-18,219,776.46-7,321,618.42

Finding the Fourth Proportional to 13,202,933.32, 18,219,776.46 and 7,321,618.42

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Solution

The fourth proportional to 13,202,933.32, 18,219,776.46 and 7,321,618.42 is: 10,103,682.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,202,933.32 : 18,219,776.46 = 7,321,618.42 : x
  2. Step 2: Convert to fraction form
    13,202,933.32/18,219,776.46 = 7,321,618.42/x
  3. Step 3: Cross multiply
    13,202,933.32x = 18,219,776.46 × 7,321,618.42
  4. Step 4: Simplify right side
    13,202,933.32x = 133,398,250,937,818.39
  5. Step 5: Solve for x
    x = 133,398,250,937,818.39/13,202,933.32
  6. Step 6: Final answer
    x = 10,103,682.85

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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.