Home / 40,854,429.76-56,379,099.12-22,520,021.44

Finding the Fourth Proportional to 40,854,429.76, 56,379,099.12 and 22,520,021.44

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Solution

The fourth proportional to 40,854,429.76, 56,379,099.12 and 22,520,021.44 is: 31,077,621.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,854,429.76 : 56,379,099.12 = 22,520,021.44 : x
  2. Step 2: Convert to fraction form
    40,854,429.76/56,379,099.12 = 22,520,021.44/x
  3. Step 3: Cross multiply
    40,854,429.76x = 56,379,099.12 × 22,520,021.44
  4. Step 4: Simplify right side
    40,854,429.76x = 1,269,658,520,950,285.25
  5. Step 5: Solve for x
    x = 1,269,658,520,950,285.25/40,854,429.76
  6. Step 6: Final answer
    x = 31,077,621.90

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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.