Home / 13,608,055.56-20,412,112.18-12,776,645.64

Finding the Fourth Proportional to 13,608,055.56, 20,412,112.18 and 12,776,645.64

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Solution

The fourth proportional to 13,608,055.56, 20,412,112.18 and 12,776,645.64 is: 19,164,995.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,608,055.56 : 20,412,112.18 = 12,776,645.64 : x
  2. Step 2: Convert to fraction form
    13,608,055.56/20,412,112.18 = 12,776,645.64/x
  3. Step 3: Cross multiply
    13,608,055.56x = 20,412,112.18 × 12,776,645.64
  4. Step 4: Simplify right side
    13,608,055.56x = 260,798,324,087,787.91
  5. Step 5: Solve for x
    x = 260,798,324,087,787.91/13,608,055.56
  6. Step 6: Final answer
    x = 19,164,995.54

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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.