Finding the Fourth Proportional to 30,504,181.08, 45,742,299.12 and 18,213,727.08
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Solution
The fourth proportional to 30,504,181.08, 45,742,299.12 and 18,213,727.08 is: 27,312,247.79
Step by Step Solution
- Step 1: Write the proportion equation
30,504,181.08 : 45,742,299.12 = 18,213,727.08 : x - Step 2: Convert to fraction form
30,504,181.08/45,742,299.12 = 18,213,727.08/x - Step 3: Cross multiply
30,504,181.08x = 45,742,299.12 × 18,213,727.08 - Step 4: Simplify right side
30,504,181.08x = 833,137,752,183,404 - Step 5: Solve for x
x = 833,137,752,183,404/30,504,181.08 - Step 6: Final answer
x = 27,312,247.79
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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.