Home / 13,828,012.78-19,089,824.54-10,102,660.50

Finding the Fourth Proportional to 13,828,012.78, 19,089,824.54 and 10,102,660.50

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Solution

The fourth proportional to 13,828,012.78, 19,089,824.54 and 10,102,660.50 is: 13,946,907.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,828,012.78 : 19,089,824.54 = 10,102,660.50 : x
  2. Step 2: Convert to fraction form
    13,828,012.78/19,089,824.54 = 10,102,660.50/x
  3. Step 3: Cross multiply
    13,828,012.78x = 19,089,824.54 × 10,102,660.50
  4. Step 4: Simplify right side
    13,828,012.78x = 192,858,016,332,188.66
  5. Step 5: Solve for x
    x = 192,858,016,332,188.66/13,828,012.78
  6. Step 6: Final answer
    x = 13,946,907.59

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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.