Home / 20,932,761.44-31,411,324.56-8,801,346.08

Finding the Fourth Proportional to 20,932,761.44, 31,411,324.56 and 8,801,346.08

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Solution

The fourth proportional to 20,932,761.44, 31,411,324.56 and 8,801,346.08 is: 13,207,141.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,932,761.44 : 31,411,324.56 = 8,801,346.08 : x
  2. Step 2: Convert to fraction form
    20,932,761.44/31,411,324.56 = 8,801,346.08/x
  3. Step 3: Cross multiply
    20,932,761.44x = 31,411,324.56 × 8,801,346.08
  4. Step 4: Simplify right side
    20,932,761.44x = 276,461,938,283,763.72
  5. Step 5: Solve for x
    x = 276,461,938,283,763.72/20,932,761.44
  6. Step 6: Final answer
    x = 13,207,141.31

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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.