Finding the Fourth Proportional to 7,668,065.20, 11,492,329.20 and 4,075,553.20
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Solution
The fourth proportional to 7,668,065.20, 11,492,329.20 and 4,075,553.20 is: 6,108,137.82
Step by Step Solution
- Step 1: Write the proportion equation
7,668,065.20 : 11,492,329.20 = 4,075,553.20 : x - Step 2: Convert to fraction form
7,668,065.20/11,492,329.20 = 4,075,553.20/x - Step 3: Cross multiply
7,668,065.20x = 11,492,329.20 × 4,075,553.20 - Step 4: Simplify right side
7,668,065.20x = 46,837,599,046,513.44 - Step 5: Solve for x
x = 46,837,599,046,513.44/7,668,065.20 - Step 6: Final answer
x = 6,108,137.82
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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.