Home / 18,802,997.91-25,938,587.40-12,280,445.37

Finding the Fourth Proportional to 18,802,997.91, 25,938,587.40 and 12,280,445.37

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Solution

The fourth proportional to 18,802,997.91, 25,938,587.40 and 12,280,445.37 is: 16,940,777.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,802,997.91 : 25,938,587.40 = 12,280,445.37 : x
  2. Step 2: Convert to fraction form
    18,802,997.91/25,938,587.40 = 12,280,445.37/x
  3. Step 3: Cross multiply
    18,802,997.91x = 25,938,587.40 × 12,280,445.37
  4. Step 4: Simplify right side
    18,802,997.91x = 318,537,405,540,670.31
  5. Step 5: Solve for x
    x = 318,537,405,540,670.31/18,802,997.91
  6. Step 6: Final answer
    x = 16,940,777.59

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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.