Home / 13,560,411.27-18,702,539.82-8,918,961.22

Finding the Fourth Proportional to 13,560,411.27, 18,702,539.82 and 8,918,961.22

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Solution

The fourth proportional to 13,560,411.27, 18,702,539.82 and 8,918,961.22 is: 12,301,044.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,560,411.27 : 18,702,539.82 = 8,918,961.22 : x
  2. Step 2: Convert to fraction form
    13,560,411.27/18,702,539.82 = 8,918,961.22/x
  3. Step 3: Cross multiply
    13,560,411.27x = 18,702,539.82 × 8,918,961.22
  4. Step 4: Simplify right side
    13,560,411.27x = 166,807,227,370,085.78
  5. Step 5: Solve for x
    x = 166,807,227,370,085.78/13,560,411.27
  6. Step 6: Final answer
    x = 12,301,044.86

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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.