Home / 13,824,074.20-20,736,111.30-7,777,456.60

Finding the Fourth Proportional to 13,824,074.20, 20,736,111.30 and 7,777,456.60

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Solution

The fourth proportional to 13,824,074.20, 20,736,111.30 and 7,777,456.60 is: 11,666,184.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,824,074.20 : 20,736,111.30 = 7,777,456.60 : x
  2. Step 2: Convert to fraction form
    13,824,074.20/20,736,111.30 = 7,777,456.60/x
  3. Step 3: Cross multiply
    13,824,074.20x = 20,736,111.30 × 7,777,456.60
  4. Step 4: Simplify right side
    13,824,074.20x = 161,274,205,688,519.56
  5. Step 5: Solve for x
    x = 161,274,205,688,519.56/13,824,074.20
  6. Step 6: Final answer
    x = 11,666,184.90

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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.