Finding the Fourth Proportional to 11,362,657.41, 15,670,082.07 and 8,882,205.75
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Solution
The fourth proportional to 11,362,657.41, 15,670,082.07 and 8,882,205.75 is: 12,249,325.84
Step by Step Solution
- Step 1: Write the proportion equation
11,362,657.41 : 15,670,082.07 = 8,882,205.75 : x - Step 2: Convert to fraction form
11,362,657.41/15,670,082.07 = 8,882,205.75/x - Step 3: Cross multiply
11,362,657.41x = 15,670,082.07 × 8,882,205.75 - Step 4: Simplify right side
11,362,657.41x = 139,184,893,065,125.91 - Step 5: Solve for x
x = 139,184,893,065,125.91/11,362,657.41 - Step 6: Final answer
x = 12,249,325.84
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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.