Home / 31,322,313.68-46,977,871.08-19,928,918.48

Finding the Fourth Proportional to 31,322,313.68, 46,977,871.08 and 19,928,918.48

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Solution

The fourth proportional to 31,322,313.68, 46,977,871.08 and 19,928,918.48 is: 29,889,815.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,322,313.68 : 46,977,871.08 = 19,928,918.48 : x
  2. Step 2: Convert to fraction form
    31,322,313.68/46,977,871.08 = 19,928,918.48/x
  3. Step 3: Cross multiply
    31,322,313.68x = 46,977,871.08 × 19,928,918.48
  4. Step 4: Simplify right side
    31,322,313.68x = 936,218,163,117,269.50
  5. Step 5: Solve for x
    x = 936,218,163,117,269.50/31,322,313.68
  6. Step 6: Final answer
    x = 29,889,815.06

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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.