Finding the Fourth Proportional to 11,897,395.75, 16,418,365.90 and 6,741,740.08
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Solution
The fourth proportional to 11,897,395.75, 16,418,365.90 and 6,741,740.08 is: 9,303,578.51
Step by Step Solution
- Step 1: Write the proportion equation
11,897,395.75 : 16,418,365.90 = 6,741,740.08 : x - Step 2: Convert to fraction form
11,897,395.75/16,418,365.90 = 6,741,740.08/x - Step 3: Cross multiply
11,897,395.75x = 16,418,365.90 × 6,741,740.08 - Step 4: Simplify right side
11,897,395.75x = 110,688,355,436,135.28 - Step 5: Solve for x
x = 110,688,355,436,135.28/11,897,395.75 - Step 6: Final answer
x = 9,303,578.51
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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.