Home / 21,783,375.36-30,060,811.08-11,993,619.60

Finding the Fourth Proportional to 21,783,375.36, 30,060,811.08 and 11,993,619.60

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Solution

The fourth proportional to 21,783,375.36, 30,060,811.08 and 11,993,619.60 is: 16,551,059.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,783,375.36 : 30,060,811.08 = 11,993,619.60 : x
  2. Step 2: Convert to fraction form
    21,783,375.36/30,060,811.08 = 11,993,619.60/x
  3. Step 3: Cross multiply
    21,783,375.36x = 30,060,811.08 × 11,993,619.60
  4. Step 4: Simplify right side
    21,783,375.36x = 360,537,932,960,985.12
  5. Step 5: Solve for x
    x = 360,537,932,960,985.12/21,783,375.36
  6. Step 6: Final answer
    x = 16,551,059.10

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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.