Finding the Fourth Proportional to 7,688,329.84, 10,608,135.60 and 4,590,251.56
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Solution
The fourth proportional to 7,688,329.84, 10,608,135.60 and 4,590,251.56 is: 6,333,496.61
Step by Step Solution
- Step 1: Write the proportion equation
7,688,329.84 : 10,608,135.60 = 4,590,251.56 : x - Step 2: Convert to fraction form
7,688,329.84/10,608,135.60 = 4,590,251.56/x - Step 3: Cross multiply
7,688,329.84x = 10,608,135.60 × 4,590,251.56 - Step 4: Simplify right side
7,688,329.84x = 48,694,010,986,591.53 - Step 5: Solve for x
x = 48,694,010,986,591.53/7,688,329.84 - Step 6: Final answer
x = 6,333,496.61
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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.