Finding the Fourth Proportional to 11,480,493.14, 15,843,081.39 and 6,323,854.68
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Solution
The fourth proportional to 11,480,493.14, 15,843,081.39 and 6,323,854.68 is: 8,726,919.93
Step by Step Solution
- Step 1: Write the proportion equation
11,480,493.14 : 15,843,081.39 = 6,323,854.68 : x - Step 2: Convert to fraction form
11,480,493.14/15,843,081.39 = 6,323,854.68/x - Step 3: Cross multiply
11,480,493.14x = 15,843,081.39 × 6,323,854.68 - Step 4: Simplify right side
11,480,493.14x = 100,189,344,393,772.41 - Step 5: Solve for x
x = 100,189,344,393,772.41/11,480,493.14 - Step 6: Final answer
x = 8,726,919.93
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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.