Home / 40,783,879.41-56,282,949.68-22,200,231.66

Finding the Fourth Proportional to 40,783,879.41, 56,282,949.68 and 22,200,231.66

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Solution

The fourth proportional to 40,783,879.41, 56,282,949.68 and 22,200,231.66 is: 30,636,970.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,783,879.41 : 56,282,949.68 = 22,200,231.66 : x
  2. Step 2: Convert to fraction form
    40,783,879.41/56,282,949.68 = 22,200,231.66/x
  3. Step 3: Cross multiply
    40,783,879.41x = 56,282,949.68 × 22,200,231.66
  4. Step 4: Simplify right side
    40,783,879.41x = 1,249,494,521,404,122.75
  5. Step 5: Solve for x
    x = 1,249,494,521,404,122.75/40,783,879.41
  6. Step 6: Final answer
    x = 30,636,970.77

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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.