Home / 18,351,966.40-27,548,944.80-10,783,196.80

Finding the Fourth Proportional to 18,351,966.40, 27,548,944.80 and 10,783,196.80

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Solution

The fourth proportional to 18,351,966.40, 27,548,944.80 and 10,783,196.80 is: 16,187,131.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,351,966.40 : 27,548,944.80 = 10,783,196.80 : x
  2. Step 2: Convert to fraction form
    18,351,966.40/27,548,944.80 = 10,783,196.80/x
  3. Step 3: Cross multiply
    18,351,966.40x = 27,548,944.80 × 10,783,196.80
  4. Step 4: Simplify right side
    18,351,966.40x = 297,065,693,410,736.69
  5. Step 5: Solve for x
    x = 297,065,693,410,736.69/18,351,966.40
  6. Step 6: Final answer
    x = 16,187,131.50

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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.