Home / 20,333,919.20-30,500,878.80-6,870,552.80

Finding the Fourth Proportional to 20,333,919.20, 30,500,878.80 and 6,870,552.80

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Solution

The fourth proportional to 20,333,919.20, 30,500,878.80 and 6,870,552.80 is: 10,305,829.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,333,919.20 : 30,500,878.80 = 6,870,552.80 : x
  2. Step 2: Convert to fraction form
    20,333,919.20/30,500,878.80 = 6,870,552.80/x
  3. Step 3: Cross multiply
    20,333,919.20x = 30,500,878.80 × 6,870,552.80
  4. Step 4: Simplify right side
    20,333,919.20x = 209,557,898,241,800.62
  5. Step 5: Solve for x
    x = 209,557,898,241,800.62/20,333,919.20
  6. Step 6: Final answer
    x = 10,305,829.20

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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.