Finding the Fourth Proportional to 7,646,578.24, 10,552,193.76 and 4,208,745.28
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Solution
The fourth proportional to 7,646,578.24, 10,552,193.76 and 4,208,745.28 is: 5,808,022.14
Step by Step Solution
- Step 1: Write the proportion equation
7,646,578.24 : 10,552,193.76 = 4,208,745.28 : x - Step 2: Convert to fraction form
7,646,578.24/10,552,193.76 = 4,208,745.28/x - Step 3: Cross multiply
7,646,578.24x = 10,552,193.76 × 4,208,745.28 - Step 4: Simplify right side
7,646,578.24x = 44,411,495,681,045.45 - Step 5: Solve for x
x = 44,411,495,681,045.45/7,646,578.24 - Step 6: Final answer
x = 5,808,022.14
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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.