Finding the Fourth Proportional to 32,325,631.68, 44,610,415.32 and 18,386,628.64
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Solution
The fourth proportional to 32,325,631.68, 44,610,415.32 and 18,386,628.64 is: 25,374,141.12
Step by Step Solution
- Step 1: Write the proportion equation
32,325,631.68 : 44,610,415.32 = 18,386,628.64 : x - Step 2: Convert to fraction form
32,325,631.68/44,610,415.32 = 18,386,628.64/x - Step 3: Cross multiply
32,325,631.68x = 44,610,415.32 × 18,386,628.64 - Step 4: Simplify right side
32,325,631.68x = 820,235,139,965,006.75 - Step 5: Solve for x
x = 820,235,139,965,006.75/32,325,631.68 - Step 6: Final answer
x = 25,374,141.12
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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.