Finding the Fourth Proportional to 19,790,787.81, 29,660,327.69 and 11,036,717.07
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Solution
The fourth proportional to 19,790,787.81, 29,660,327.69 and 11,036,717.07 is: 16,540,657.59
Step by Step Solution
- Step 1: Write the proportion equation
19,790,787.81 : 29,660,327.69 = 11,036,717.07 : x - Step 2: Convert to fraction form
19,790,787.81/29,660,327.69 = 11,036,717.07/x - Step 3: Cross multiply
19,790,787.81x = 29,660,327.69 × 11,036,717.07 - Step 4: Simplify right side
19,790,787.81x = 327,352,644,751,606.81 - Step 5: Solve for x
x = 327,352,644,751,606.81/19,790,787.81 - Step 6: Final answer
x = 16,540,657.59
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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.