Finding the Fourth Proportional to 18,263,319.75, 27,394,315.21 and 5,483,492.30
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Solution
The fourth proportional to 18,263,319.75, 27,394,315.21 and 5,483,492.30 is: 8,225,038.96
Step by Step Solution
- Step 1: Write the proportion equation
18,263,319.75 : 27,394,315.21 = 5,483,492.30 : x - Step 2: Convert to fraction form
18,263,319.75/27,394,315.21 = 5,483,492.30/x - Step 3: Cross multiply
18,263,319.75x = 27,394,315.21 × 5,483,492.30 - Step 4: Simplify right side
18,263,319.75x = 150,216,516,490,390.41 - Step 5: Solve for x
x = 150,216,516,490,390.41/18,263,319.75 - Step 6: Final answer
x = 8,225,038.96
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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.