Home / 35,711,391.23-49,285,572.84-20,239,815.12

Finding the Fourth Proportional to 35,711,391.23, 49,285,572.84 and 20,239,815.12

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Solution

The fourth proportional to 35,711,391.23, 49,285,572.84 and 20,239,815.12 is: 27,933,128.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,711,391.23 : 49,285,572.84 = 20,239,815.12 : x
  2. Step 2: Convert to fraction form
    35,711,391.23/49,285,572.84 = 20,239,815.12/x
  3. Step 3: Cross multiply
    35,711,391.23x = 49,285,572.84 × 20,239,815.12
  4. Step 4: Simplify right side
    35,711,391.23x = 997,530,882,364,893.50
  5. Step 5: Solve for x
    x = 997,530,882,364,893.50/35,711,391.23
  6. Step 6: Final answer
    x = 27,933,128.57

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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.