Finding the Fourth Proportional to 11,075,930.20, 16,585,901.70 and 8,836,442.20
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Solution
The fourth proportional to 11,075,930.20, 16,585,901.70 and 8,836,442.20 is: 13,232,329.84
Step by Step Solution
- Step 1: Write the proportion equation
11,075,930.20 : 16,585,901.70 = 8,836,442.20 : x - Step 2: Convert to fraction form
11,075,930.20/16,585,901.70 = 8,836,442.20/x - Step 3: Cross multiply
11,075,930.20x = 16,585,901.70 × 8,836,442.20 - Step 4: Simplify right side
11,075,930.20x = 146,560,361,706,931.72 - Step 5: Solve for x
x = 146,560,361,706,931.72/11,075,930.20 - Step 6: Final answer
x = 13,232,329.84
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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.