Finding the Fourth Proportional to 8,240,396.13, 11,369,427.41 and 6,492,647.22
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Solution
The fourth proportional to 8,240,396.13, 11,369,427.41 and 6,492,647.22 is: 8,958,025.82
Step by Step Solution
- Step 1: Write the proportion equation
8,240,396.13 : 11,369,427.41 = 6,492,647.22 : x - Step 2: Convert to fraction form
8,240,396.13/11,369,427.41 = 6,492,647.22/x - Step 3: Cross multiply
8,240,396.13x = 11,369,427.41 × 6,492,647.22 - Step 4: Simplify right side
8,240,396.13x = 73,817,681,266,528.30 - Step 5: Solve for x
x = 73,817,681,266,528.30/8,240,396.13 - Step 6: Final answer
x = 8,958,025.82
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1.5x scale
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.