Home / 20,729,801.92-31,100,352.32-6,352,551.36

Finding the Fourth Proportional to 20,729,801.92, 31,100,352.32 and 6,352,551.36

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Solution

The fourth proportional to 20,729,801.92, 31,100,352.32 and 6,352,551.36 is: 9,530,558.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,729,801.92 : 31,100,352.32 = 6,352,551.36 : x
  2. Step 2: Convert to fraction form
    20,729,801.92/31,100,352.32 = 6,352,551.36/x
  3. Step 3: Cross multiply
    20,729,801.92x = 31,100,352.32 × 6,352,551.36
  4. Step 4: Simplify right side
    20,729,801.92x = 197,566,585,426,895.16
  5. Step 5: Solve for x
    x = 197,566,585,426,895.16/20,729,801.92
  6. Step 6: Final answer
    x = 9,530,558.28

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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.