Finding the Fourth Proportional to 18,018,343.31, 27,032,121.97 and 5,238,847.96
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Solution
The fourth proportional to 18,018,343.31, 27,032,121.97 and 5,238,847.96 is: 7,859,611.43
Step by Step Solution
- Step 1: Write the proportion equation
18,018,343.31 : 27,032,121.97 = 5,238,847.96 : x - Step 2: Convert to fraction form
18,018,343.31/27,032,121.97 = 5,238,847.96/x - Step 3: Cross multiply
18,018,343.31x = 27,032,121.97 × 5,238,847.96 - Step 4: Simplify right side
18,018,343.31x = 141,617,176,956,328.25 - Step 5: Solve for x
x = 141,617,176,956,328.25/18,018,343.31 - Step 6: Final answer
x = 7,859,611.43
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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.