Finding the Fourth Proportional to 11,394,639.06, 15,726,098.77 and 6,498,738.84
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Solution
The fourth proportional to 11,394,639.06, 15,726,098.77 and 6,498,738.84 is: 8,969,113.32
Step by Step Solution
- Step 1: Write the proportion equation
11,394,639.06 : 15,726,098.77 = 6,498,738.84 : x - Step 2: Convert to fraction form
11,394,639.06/15,726,098.77 = 6,498,738.84/x - Step 3: Cross multiply
11,394,639.06x = 15,726,098.77 × 6,498,738.84 - Step 4: Simplify right side
11,394,639.06x = 102,199,808,921,001.25 - Step 5: Solve for x
x = 102,199,808,921,001.25/11,394,639.06 - Step 6: Final answer
x = 8,969,113.32
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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.