Finding the Fourth Proportional to 7,036,816.68, 9,711,851.40 and 4,458,738.96
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Solution
The fourth proportional to 7,036,816.68, 9,711,851.40 and 4,458,738.96 is: 6,153,721.52
Step by Step Solution
- Step 1: Write the proportion equation
7,036,816.68 : 9,711,851.40 = 4,458,738.96 : x - Step 2: Convert to fraction form
7,036,816.68/9,711,851.40 = 4,458,738.96/x - Step 3: Cross multiply
7,036,816.68x = 9,711,851.40 × 4,458,738.96 - Step 4: Simplify right side
7,036,816.68x = 43,302,610,210,910.55 - Step 5: Solve for x
x = 43,302,610,210,910.55/7,036,816.68 - Step 6: Final answer
x = 6,153,721.52
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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.