Home / 20,146,787-27,802,300.12-11,205,836.90

Finding the Fourth Proportional to 20,146,787, 27,802,300.12 and 11,205,836.90

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Solution

The fourth proportional to 20,146,787, 27,802,300.12 and 11,205,836.90 is: 15,463,907.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,146,787 : 27,802,300.12 = 11,205,836.90 : x
  2. Step 2: Convert to fraction form
    20,146,787/27,802,300.12 = 11,205,836.90/x
  3. Step 3: Cross multiply
    20,146,787x = 27,802,300.12 × 11,205,836.90
  4. Step 4: Simplify right side
    20,146,787x = 311,548,040,589,570.44
  5. Step 5: Solve for x
    x = 311,548,040,589,570.44/20,146,787
  6. Step 6: Final answer
    x = 15,463,907.00

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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.