Finding the Fourth Proportional to 8,995,840.92, 12,413,193.60 and 5,075,368.48
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Solution
The fourth proportional to 8,995,840.92, 12,413,193.60 and 5,075,368.48 is: 7,003,406.58
Step by Step Solution
- Step 1: Write the proportion equation
8,995,840.92 : 12,413,193.60 = 5,075,368.48 : x - Step 2: Convert to fraction form
8,995,840.92/12,413,193.60 = 5,075,368.48/x - Step 3: Cross multiply
8,995,840.92x = 12,413,193.60 × 5,075,368.48 - Step 4: Simplify right side
8,995,840.92x = 63,001,531,533,577.73 - Step 5: Solve for x
x = 63,001,531,533,577.73/8,995,840.92 - Step 6: Final answer
x = 7,003,406.58
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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.