Finding the Fourth Proportional to 10,868,125.09, 16,301,188.09 and 3,678,837.25
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Solution
The fourth proportional to 10,868,125.09, 16,301,188.09 and 3,678,837.25 is: 5,517,917.53
Step by Step Solution
- Step 1: Write the proportion equation
10,868,125.09 : 16,301,188.09 = 3,678,837.25 : x - Step 2: Convert to fraction form
10,868,125.09/16,301,188.09 = 3,678,837.25/x - Step 3: Cross multiply
10,868,125.09x = 16,301,188.09 × 3,678,837.25 - Step 4: Simplify right side
10,868,125.09x = 59,969,417,964,748.35 - Step 5: Solve for x
x = 59,969,417,964,748.35/10,868,125.09 - Step 6: Final answer
x = 5,517,917.53
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.