Home / 38,581,808.44-53,242,953.98-20,940,717.32

Finding the Fourth Proportional to 38,581,808.44, 53,242,953.98 and 20,940,717.32

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Solution

The fourth proportional to 38,581,808.44, 53,242,953.98 and 20,940,717.32 is: 28,898,221.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,581,808.44 : 53,242,953.98 = 20,940,717.32 : x
  2. Step 2: Convert to fraction form
    38,581,808.44/53,242,953.98 = 20,940,717.32/x
  3. Step 3: Cross multiply
    38,581,808.44x = 53,242,953.98 × 20,940,717.32
  4. Step 4: Simplify right side
    38,581,808.44x = 1,114,945,648,705,183.25
  5. Step 5: Solve for x
    x = 1,114,945,648,705,183.25/38,581,808.44
  6. Step 6: Final answer
    x = 28,898,221.57

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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.