Home / 13,057,647.20-19,562,851.20-11,168,079.20

Finding the Fourth Proportional to 13,057,647.20, 19,562,851.20 and 11,168,079.20

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Solution

The fourth proportional to 13,057,647.20, 19,562,851.20 and 11,168,079.20 is: 16,731,917.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,057,647.20 : 19,562,851.20 = 11,168,079.20 : x
  2. Step 2: Convert to fraction form
    13,057,647.20/19,562,851.20 = 11,168,079.20/x
  3. Step 3: Cross multiply
    13,057,647.20x = 19,562,851.20 × 11,168,079.20
  4. Step 4: Simplify right side
    13,057,647.20x = 218,479,471,579,415.03
  5. Step 5: Solve for x
    x = 218,479,471,579,415.03/13,057,647.20
  6. Step 6: Final answer
    x = 16,731,917.18

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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.