Finding the Fourth Proportional to 48,405,022.87, 66,796,987.91 and 26,378,052.81
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Solution
The fourth proportional to 48,405,022.87, 66,796,987.91 and 26,378,052.81 is: 36,400,653.70
Step by Step Solution
- Step 1: Write the proportion equation
48,405,022.87 : 66,796,987.91 = 26,378,052.81 : x - Step 2: Convert to fraction form
48,405,022.87/66,796,987.91 = 26,378,052.81/x - Step 3: Cross multiply
48,405,022.87x = 66,796,987.91 × 26,378,052.81 - Step 4: Simplify right side
48,405,022.87x = 1,761,974,474,638,911.25 - Step 5: Solve for x
x = 1,761,974,474,638,911.25/48,405,022.87 - Step 6: Final answer
x = 36,400,653.70
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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.