Finding the Fourth Proportional to 7,642,288.66, 10,546,357.99 and 4,204,455.88
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Solution
The fourth proportional to 7,642,288.66, 10,546,357.99 and 4,204,455.88 is: 5,802,148.92
Step by Step Solution
- Step 1: Write the proportion equation
7,642,288.66 : 10,546,357.99 = 4,204,455.88 : x - Step 2: Convert to fraction form
7,642,288.66/10,546,357.99 = 4,204,455.88/x - Step 3: Cross multiply
7,642,288.66x = 10,546,357.99 × 4,204,455.88 - Step 4: Simplify right side
7,642,288.66x = 44,341,696,863,640.48 - Step 5: Solve for x
x = 44,341,696,863,640.48/7,642,288.66 - Step 6: Final answer
x = 5,802,148.92
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.