Finding the Fourth Proportional to 9,236,575.99, 12,745,924.86 and 5,106,359.67
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Solution
The fourth proportional to 9,236,575.99, 12,745,924.86 and 5,106,359.67 is: 7,046,472.28
Step by Step Solution
- Step 1: Write the proportion equation
9,236,575.99 : 12,745,924.86 = 5,106,359.67 : x - Step 2: Convert to fraction form
9,236,575.99/12,745,924.86 = 5,106,359.67/x - Step 3: Cross multiply
9,236,575.99x = 12,745,924.86 × 5,106,359.67 - Step 4: Simplify right side
9,236,575.99x = 65,085,276,661,954.39 - Step 5: Solve for x
x = 65,085,276,661,954.39/9,236,575.99 - Step 6: Final answer
x = 7,046,472.28
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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.