Finding the Fourth Proportional to 11,475,042.66, 15,835,842.63 and 6,248,337.30
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Solution
The fourth proportional to 11,475,042.66, 15,835,842.63 and 6,248,337.30 is: 8,622,859.99
Step by Step Solution
- Step 1: Write the proportion equation
11,475,042.66 : 15,835,842.63 = 6,248,337.30 : x - Step 2: Convert to fraction form
11,475,042.66/15,835,842.63 = 6,248,337.30/x - Step 3: Cross multiply
11,475,042.66x = 15,835,842.63 × 6,248,337.30 - Step 4: Simplify right side
11,475,042.66x = 98,947,686,181,959.09 - Step 5: Solve for x
x = 98,947,686,181,959.09/11,475,042.66 - Step 6: Final answer
x = 8,622,859.99
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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.