Home / 14,150,471.56-19,521,980.82-8,921,760.36

Finding the Fourth Proportional to 14,150,471.56, 19,521,980.82 and 8,921,760.36

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Solution

The fourth proportional to 14,150,471.56, 19,521,980.82 and 8,921,760.36 is: 12,308,454.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,150,471.56 : 19,521,980.82 = 8,921,760.36 : x
  2. Step 2: Convert to fraction form
    14,150,471.56/19,521,980.82 = 8,921,760.36/x
  3. Step 3: Cross multiply
    14,150,471.56x = 19,521,980.82 × 8,921,760.36
  4. Step 4: Simplify right side
    14,150,471.56x = 174,170,434,628,556.28
  5. Step 5: Solve for x
    x = 174,170,434,628,556.28/14,150,471.56
  6. Step 6: Final answer
    x = 12,308,454.45

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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.