Finding the Fourth Proportional to 7,811,597.81, 11,713,125.36 and 6,202,701.69
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Solution
The fourth proportional to 7,811,597.81, 11,713,125.36 and 6,202,701.69 is: 9,300,660.92
Step by Step Solution
- Step 1: Write the proportion equation
7,811,597.81 : 11,713,125.36 = 6,202,701.69 : x - Step 2: Convert to fraction form
7,811,597.81/11,713,125.36 = 6,202,701.69/x - Step 3: Cross multiply
7,811,597.81x = 11,713,125.36 × 6,202,701.69 - Step 4: Simplify right side
7,811,597.81x = 72,653,022,465,653.86 - Step 5: Solve for x
x = 72,653,022,465,653.86/7,811,597.81 - Step 6: Final answer
x = 9,300,660.92
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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.