Home / 20,946,734.64-31,352,894.64-11,206,982.52

Finding the Fourth Proportional to 20,946,734.64, 31,352,894.64 and 11,206,982.52

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Solution

The fourth proportional to 20,946,734.64, 31,352,894.64 and 11,206,982.52 is: 16,774,516.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,946,734.64 : 31,352,894.64 = 11,206,982.52 : x
  2. Step 2: Convert to fraction form
    20,946,734.64/31,352,894.64 = 11,206,982.52/x
  3. Step 3: Cross multiply
    20,946,734.64x = 31,352,894.64 × 11,206,982.52
  4. Step 4: Simplify right side
    20,946,734.64x = 351,371,342,181,881.69
  5. Step 5: Solve for x
    x = 351,371,342,181,881.69/20,946,734.64
  6. Step 6: Final answer
    x = 16,774,516.33

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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.