Home / 31,322,313.93-46,977,871.46-19,928,918.73

Finding the Fourth Proportional to 31,322,313.93, 46,977,871.46 and 19,928,918.73

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Solution

The fourth proportional to 31,322,313.93, 46,977,871.46 and 19,928,918.73 is: 29,889,815.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,322,313.93 : 46,977,871.46 = 19,928,918.73 : x
  2. Step 2: Convert to fraction form
    31,322,313.93/46,977,871.46 = 19,928,918.73/x
  3. Step 3: Cross multiply
    31,322,313.93x = 46,977,871.46 × 19,928,918.73
  4. Step 4: Simplify right side
    31,322,313.93x = 936,218,182,335,081.88
  5. Step 5: Solve for x
    x = 936,218,182,335,081.88/31,322,313.93
  6. Step 6: Final answer
    x = 29,889,815.43

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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.