Finding the Fourth Proportional to 7,415,501.82, 11,110,170.69 and 6,494,406.54
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Solution
The fourth proportional to 7,415,501.82, 11,110,170.69 and 6,494,406.54 is: 9,730,152.72
Step by Step Solution
- Step 1: Write the proportion equation
7,415,501.82 : 11,110,170.69 = 6,494,406.54 : x - Step 2: Convert to fraction form
7,415,501.82/11,110,170.69 = 6,494,406.54/x - Step 3: Cross multiply
7,415,501.82x = 11,110,170.69 × 6,494,406.54 - Step 4: Simplify right side
7,415,501.82x = 72,153,965,189,652.31 - Step 5: Solve for x
x = 72,153,965,189,652.31/7,415,501.82 - Step 6: Final answer
x = 9,730,152.72
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.