Finding the Fourth Proportional to 11,908,979.81, 17,864,535.30 and 4,622,268.74
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Solution
The fourth proportional to 11,908,979.81, 17,864,535.30 and 4,622,268.74 is: 6,933,816.70
Step by Step Solution
- Step 1: Write the proportion equation
11,908,979.81 : 17,864,535.30 = 4,622,268.74 : x - Step 2: Convert to fraction form
11,908,979.81/17,864,535.30 = 4,622,268.74/x - Step 3: Cross multiply
11,908,979.81x = 17,864,535.30 × 4,622,268.74 - Step 4: Simplify right side
11,908,979.81x = 82,574,683,071,816.53 - Step 5: Solve for x
x = 82,574,683,071,816.53/11,908,979.81 - Step 6: Final answer
x = 6,933,816.70
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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.