Home / 12,583,449.20-18,847,180.20-10,343,961.20

Finding the Fourth Proportional to 12,583,449.20, 18,847,180.20 and 10,343,961.20

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Solution

The fourth proportional to 12,583,449.20, 18,847,180.20 and 10,343,961.20 is: 15,492,930.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,583,449.20 : 18,847,180.20 = 10,343,961.20 : x
  2. Step 2: Convert to fraction form
    12,583,449.20/18,847,180.20 = 10,343,961.20/x
  3. Step 3: Cross multiply
    12,583,449.20x = 18,847,180.20 × 10,343,961.20
  4. Step 4: Simplify right side
    12,583,449.20x = 194,954,500,718,208.22
  5. Step 5: Solve for x
    x = 194,954,500,718,208.22/12,583,449.20
  6. Step 6: Final answer
    x = 15,492,930.25

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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.