Home / 18,172,950.40-27,264,576-7,397,980.80

Finding the Fourth Proportional to 18,172,950.40, 27,264,576 and 7,397,980.80

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Solution

The fourth proportional to 18,172,950.40, 27,264,576 and 7,397,980.80 is: 11,099,067.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,172,950.40 : 27,264,576 = 7,397,980.80 : x
  2. Step 2: Convert to fraction form
    18,172,950.40/27,264,576 = 7,397,980.80/x
  3. Step 3: Cross multiply
    18,172,950.40x = 27,264,576 × 7,397,980.80
  4. Step 4: Simplify right side
    18,172,950.40x = 201,702,809,768,140.78
  5. Step 5: Solve for x
    x = 201,702,809,768,140.78/18,172,950.40
  6. Step 6: Final answer
    x = 11,099,067.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.