Home / 12,548,803.20-18,795,211.20-10,309,315.20

Finding the Fourth Proportional to 12,548,803.20, 18,795,211.20 and 10,309,315.20

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Solution

The fourth proportional to 12,548,803.20, 18,795,211.20 and 10,309,315.20 is: 15,440,975.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,548,803.20 : 18,795,211.20 = 10,309,315.20 : x
  2. Step 2: Convert to fraction form
    12,548,803.20/18,795,211.20 = 10,309,315.20/x
  3. Step 3: Cross multiply
    12,548,803.20x = 18,795,211.20 × 10,309,315.20
  4. Step 4: Simplify right side
    12,548,803.20x = 193,765,756,511,370.22
  5. Step 5: Solve for x
    x = 193,765,756,511,370.22/12,548,803.20
  6. Step 6: Final answer
    x = 15,440,975.00

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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.