Finding the Fourth Proportional to 11,475,043.84, 15,835,844.30 and 6,248,338.48
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Solution
The fourth proportional to 11,475,043.84, 15,835,844.30 and 6,248,338.48 is: 8,622,861.64
Step by Step Solution
- Step 1: Write the proportion equation
11,475,043.84 : 15,835,844.30 = 6,248,338.48 : x - Step 2: Convert to fraction form
11,475,043.84/15,835,844.30 = 6,248,338.48/x - Step 3: Cross multiply
11,475,043.84x = 15,835,844.30 × 6,248,338.48 - Step 4: Simplify right side
11,475,043.84x = 98,947,715,302,978.67 - Step 5: Solve for x
x = 98,947,715,302,978.67/11,475,043.84 - Step 6: Final answer
x = 8,622,861.64
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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.