Home / 11,881,555.32-17,819,479.34-5,485,662.48

Finding the Fourth Proportional to 11,881,555.32, 17,819,479.34 and 5,485,662.48

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Solution

The fourth proportional to 11,881,555.32, 17,819,479.34 and 5,485,662.48 is: 8,227,176.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,881,555.32 : 17,819,479.34 = 5,485,662.48 : x
  2. Step 2: Convert to fraction form
    11,881,555.32/17,819,479.34 = 5,485,662.48/x
  3. Step 3: Cross multiply
    11,881,555.32x = 17,819,479.34 × 5,485,662.48
  4. Step 4: Simplify right side
    11,881,555.32x = 97,751,649,228,573.17
  5. Step 5: Solve for x
    x = 97,751,649,228,573.17/11,881,555.32
  6. Step 6: Final answer
    x = 8,227,176.21

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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.