Home / 13,040,150.07-17,994,504.06-7,238,474.85

Finding the Fourth Proportional to 13,040,150.07, 17,994,504.06 and 7,238,474.85

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Solution

The fourth proportional to 13,040,150.07, 17,994,504.06 and 7,238,474.85 is: 9,988,594.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,040,150.07 : 17,994,504.06 = 7,238,474.85 : x
  2. Step 2: Convert to fraction form
    13,040,150.07/17,994,504.06 = 7,238,474.85/x
  3. Step 3: Cross multiply
    13,040,150.07x = 17,994,504.06 × 7,238,474.85
  4. Step 4: Simplify right side
    13,040,150.07x = 130,252,765,076,532.88
  5. Step 5: Solve for x
    x = 130,252,765,076,532.88/13,040,150.07
  6. Step 6: Final answer
    x = 9,988,594.03

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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.