Home / 13,039,507.64-17,993,620.41-7,237,832.68

Finding the Fourth Proportional to 13,039,507.64, 17,993,620.41 and 7,237,832.68

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Solution

The fourth proportional to 13,039,507.64, 17,993,620.41 and 7,237,832.68 is: 9,987,709.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,039,507.64 : 17,993,620.41 = 7,237,832.68 : x
  2. Step 2: Convert to fraction form
    13,039,507.64/17,993,620.41 = 7,237,832.68/x
  3. Step 3: Cross multiply
    13,039,507.64x = 17,993,620.41 × 7,237,832.68
  4. Step 4: Simplify right side
    13,039,507.64x = 130,234,813,835,013
  5. Step 5: Solve for x
    x = 130,234,813,835,013/13,039,507.64
  6. Step 6: Final answer
    x = 9,987,709.46

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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.