Finding the Fourth Proportional to 11,653,768.46, 16,085,302.09 and 6,884,088.05
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Solution
The fourth proportional to 11,653,768.46, 16,085,302.09 and 6,884,088.05 is: 9,501,873.68
Step by Step Solution
- Step 1: Write the proportion equation
11,653,768.46 : 16,085,302.09 = 6,884,088.05 : x - Step 2: Convert to fraction form
11,653,768.46/16,085,302.09 = 6,884,088.05/x - Step 3: Cross multiply
11,653,768.46x = 16,085,302.09 × 6,884,088.05 - Step 4: Simplify right side
11,653,768.46x = 110,732,635,800,772.30 - Step 5: Solve for x
x = 110,732,635,800,772.30/11,653,768.46 - Step 6: Final answer
x = 9,501,873.68
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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.