Home / 18,321,297.05-25,269,379.90-12,445,461.77

Finding the Fourth Proportional to 18,321,297.05, 25,269,379.90 and 12,445,461.77

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Solution

The fourth proportional to 18,321,297.05, 25,269,379.90 and 12,445,461.77 is: 17,165,220.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,321,297.05 : 25,269,379.90 = 12,445,461.77 : x
  2. Step 2: Convert to fraction form
    18,321,297.05/25,269,379.90 = 12,445,461.77/x
  3. Step 3: Cross multiply
    18,321,297.05x = 25,269,379.90 × 12,445,461.77
  4. Step 4: Simplify right side
    18,321,297.05x = 314,489,101,339,595.88
  5. Step 5: Solve for x
    x = 314,489,101,339,595.88/18,321,297.05
  6. Step 6: Final answer
    x = 17,165,220.37

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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.