Finding the Fourth Proportional to 7,106,764.22, 9,807,334.62 and 3,843,578.95
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Solution
The fourth proportional to 7,106,764.22, 9,807,334.62 and 3,843,578.95 is: 5,304,138.95
Step by Step Solution
- Step 1: Write the proportion equation
7,106,764.22 : 9,807,334.62 = 3,843,578.95 : x - Step 2: Convert to fraction form
7,106,764.22/9,807,334.62 = 3,843,578.95/x - Step 3: Cross multiply
7,106,764.22x = 9,807,334.62 × 3,843,578.95 - Step 4: Simplify right side
7,106,764.22x = 37,695,264,901,038.25 - Step 5: Solve for x
x = 37,695,264,901,038.25/7,106,764.22 - Step 6: Final answer
x = 5,304,138.95
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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.