Home / 15,166,194.33-20,927,007.09-8,638,994.43

Finding the Fourth Proportional to 15,166,194.33, 20,927,007.09 and 8,638,994.43

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Solution

The fourth proportional to 15,166,194.33, 20,927,007.09 and 8,638,994.43 is: 11,920,478.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,166,194.33 : 20,927,007.09 = 8,638,994.43 : x
  2. Step 2: Convert to fraction form
    15,166,194.33/20,927,007.09 = 8,638,994.43/x
  3. Step 3: Cross multiply
    15,166,194.33x = 20,927,007.09 × 8,638,994.43
  4. Step 4: Simplify right side
    15,166,194.33x = 180,788,297,687,080.50
  5. Step 5: Solve for x
    x = 180,788,297,687,080.50/15,166,194.33
  6. Step 6: Final answer
    x = 11,920,478.78

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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.