Home / 20,922,161.84-31,383,196.64-5,569,454.96

Finding the Fourth Proportional to 20,922,161.84, 31,383,196.64 and 5,569,454.96

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Solution

The fourth proportional to 20,922,161.84, 31,383,196.64 and 5,569,454.96 is: 8,354,170.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,922,161.84 : 31,383,196.64 = 5,569,454.96 : x
  2. Step 2: Convert to fraction form
    20,922,161.84/31,383,196.64 = 5,569,454.96/x
  3. Step 3: Cross multiply
    20,922,161.84x = 31,383,196.64 × 5,569,454.96
  4. Step 4: Simplify right side
    20,922,161.84x = 174,787,300,187,303.34
  5. Step 5: Solve for x
    x = 174,787,300,187,303.34/20,922,161.84
  6. Step 6: Final answer
    x = 8,354,170.16

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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.