Finding the Fourth Proportional to 7,633,133.19, 10,533,805.19 and 4,148,471.96
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Solution
The fourth proportional to 7,633,133.19, 10,533,805.19 and 4,148,471.96 is: 5,724,935.53
Step by Step Solution
- Step 1: Write the proportion equation
7,633,133.19 : 10,533,805.19 = 4,148,471.96 : x - Step 2: Convert to fraction form
7,633,133.19/10,533,805.19 = 4,148,471.96/x - Step 3: Cross multiply
7,633,133.19x = 10,533,805.19 × 4,148,471.96 - Step 4: Simplify right side
7,633,133.19x = 43,699,195,403,172.80 - Step 5: Solve for x
x = 43,699,195,403,172.80/7,633,133.19 - Step 6: Final answer
x = 5,724,935.53
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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.