Home / 13,684,290.12-18,783,729-12,100,858.38

Finding the Fourth Proportional to 13,684,290.12, 18,783,729 and 12,100,858.38

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Solution

The fourth proportional to 13,684,290.12, 18,783,729 and 12,100,858.38 is: 16,610,232.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,684,290.12 : 18,783,729 = 12,100,858.38 : x
  2. Step 2: Convert to fraction form
    13,684,290.12/18,783,729 = 12,100,858.38/x
  3. Step 3: Cross multiply
    13,684,290.12x = 18,783,729 × 12,100,858.38
  4. Step 4: Simplify right side
    13,684,290.12x = 227,299,244,477,299.03
  5. Step 5: Solve for x
    x = 227,299,244,477,299.03/13,684,290.12
  6. Step 6: Final answer
    x = 16,610,232.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.