Finding the Fourth Proportional to 16,161,211.18, 22,302,945.81 and 8,819,518.17
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Solution
The fourth proportional to 16,161,211.18, 22,302,945.81 and 8,819,518.17 is: 12,171,193.95
Step by Step Solution
- Step 1: Write the proportion equation
16,161,211.18 : 22,302,945.81 = 8,819,518.17 : x - Step 2: Convert to fraction form
16,161,211.18/22,302,945.81 = 8,819,518.17/x - Step 3: Cross multiply
16,161,211.18x = 22,302,945.81 × 8,819,518.17 - Step 4: Simplify right side
16,161,211.18x = 196,701,235,711,275.31 - Step 5: Solve for x
x = 196,701,235,711,275.31/16,161,211.18 - Step 6: Final answer
x = 12,171,193.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.