Finding the Fourth Proportional to 7,367,938.74, 10,168,069.32 and 4,104,751.68
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Solution
The fourth proportional to 7,367,938.74, 10,168,069.32 and 4,104,751.68 is: 5,664,732.17
Step by Step Solution
- Step 1: Write the proportion equation
7,367,938.74 : 10,168,069.32 = 4,104,751.68 : x - Step 2: Convert to fraction form
7,367,938.74/10,168,069.32 = 4,104,751.68/x - Step 3: Cross multiply
7,367,938.74x = 10,168,069.32 × 4,104,751.68 - Step 4: Simplify right side
7,367,938.74x = 41,737,399,623,626.46 - Step 5: Solve for x
x = 41,737,399,623,626.46/7,367,938.74 - Step 6: Final answer
x = 5,664,732.17
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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.