Home / 20,874,295.96-31,303,939.80-7,223,735.68

Finding the Fourth Proportional to 20,874,295.96, 31,303,939.80 and 7,223,735.68

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Solution

The fourth proportional to 20,874,295.96, 31,303,939.80 and 7,223,735.68 is: 10,833,006.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,874,295.96 : 31,303,939.80 = 7,223,735.68 : x
  2. Step 2: Convert to fraction form
    20,874,295.96/31,303,939.80 = 7,223,735.68/x
  3. Step 3: Cross multiply
    20,874,295.96x = 31,303,939.80 × 7,223,735.68
  4. Step 4: Simplify right side
    20,874,295.96x = 226,131,386,857,832.06
  5. Step 5: Solve for x
    x = 226,131,386,857,832.06/20,874,295.96
  6. Step 6: Final answer
    x = 10,833,006.65

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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.