Finding the Fourth Proportional to 11,908,979.70, 17,864,535.14 and 4,622,268.62
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Solution
The fourth proportional to 11,908,979.70, 17,864,535.14 and 4,622,268.62 is: 6,933,816.51
Step by Step Solution
- Step 1: Write the proportion equation
11,908,979.70 : 17,864,535.14 = 4,622,268.62 : x - Step 2: Convert to fraction form
11,908,979.70/17,864,535.14 = 4,622,268.62/x - Step 3: Cross multiply
11,908,979.70x = 17,864,535.14 × 4,622,268.62 - Step 4: Simplify right side
11,908,979.70x = 82,574,680,076,075.30 - Step 5: Solve for x
x = 82,574,680,076,075.30/11,908,979.70 - Step 6: Final answer
x = 6,933,816.51
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.