Finding the Fourth Proportional to 7,668,043.70, 11,492,296.95 and 4,075,531.70
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Solution
The fourth proportional to 7,668,043.70, 11,492,296.95 and 4,075,531.70 is: 6,108,105.58
Step by Step Solution
- Step 1: Write the proportion equation
7,668,043.70 : 11,492,296.95 = 4,075,531.70 : x - Step 2: Convert to fraction form
7,668,043.70/11,492,296.95 = 4,075,531.70/x - Step 3: Cross multiply
7,668,043.70x = 11,492,296.95 × 4,075,531.70 - Step 4: Simplify right side
7,668,043.70x = 46,837,220,525,538.31 - Step 5: Solve for x
x = 46,837,220,525,538.31/7,668,043.70 - Step 6: Final answer
x = 6,108,105.58
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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.