Finding the Fourth Proportional to 11,043,468.41, 15,206,186.70 and 11,011,581.95
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Solution
The fourth proportional to 11,043,468.41, 15,206,186.70 and 11,011,581.95 is: 15,162,280.98
Step by Step Solution
- Step 1: Write the proportion equation
11,043,468.41 : 15,206,186.70 = 11,011,581.95 : x - Step 2: Convert to fraction form
11,043,468.41/15,206,186.70 = 11,011,581.95/x - Step 3: Cross multiply
11,043,468.41x = 15,206,186.70 × 11,011,581.95 - Step 4: Simplify right side
11,043,468.41x = 167,444,170,994,050.03 - Step 5: Solve for x
x = 167,444,170,994,050.03/11,043,468.41 - Step 6: Final answer
x = 15,162,280.98
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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.