Home / 13,052,705.20-19,579,057.80-11,121,146.80

Finding the Fourth Proportional to 13,052,705.20, 19,579,057.80 and 11,121,146.80

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Solution

The fourth proportional to 13,052,705.20, 19,579,057.80 and 11,121,146.80 is: 16,681,720.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,052,705.20 : 19,579,057.80 = 11,121,146.80 : x
  2. Step 2: Convert to fraction form
    13,052,705.20/19,579,057.80 = 11,121,146.80/x
  3. Step 3: Cross multiply
    13,052,705.20x = 19,579,057.80 × 11,121,146.80
  4. Step 4: Simplify right side
    13,052,705.20x = 217,741,575,999,485.06
  5. Step 5: Solve for x
    x = 217,741,575,999,485.06/13,052,705.20
  6. Step 6: Final answer
    x = 16,681,720.20

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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.