Finding the Fourth Proportional to 18,516,464.60, 27,776,025.50 and 6,385,749.75
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Solution
The fourth proportional to 18,516,464.60, 27,776,025.50 and 6,385,749.75 is: 9,579,082.82
Step by Step Solution
- Step 1: Write the proportion equation
18,516,464.60 : 27,776,025.50 = 6,385,749.75 : x - Step 2: Convert to fraction form
18,516,464.60/27,776,025.50 = 6,385,749.75/x - Step 3: Cross multiply
18,516,464.60x = 27,776,025.50 × 6,385,749.75 - Step 4: Simplify right side
18,516,464.60x = 177,370,747,860,689.88 - Step 5: Solve for x
x = 177,370,747,860,689.88/18,516,464.60 - Step 6: Final answer
x = 9,579,082.82
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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.