Finding the Fourth Proportional to 7,528,343.21, 11,292,492.13 and 2,136,998.19
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Solution
The fourth proportional to 7,528,343.21, 11,292,492.13 and 2,136,998.19 is: 3,205,490.85
Step by Step Solution
- Step 1: Write the proportion equation
7,528,343.21 : 11,292,492.13 = 2,136,998.19 : x - Step 2: Convert to fraction form
7,528,343.21/11,292,492.13 = 2,136,998.19/x - Step 3: Cross multiply
7,528,343.21x = 11,292,492.13 × 2,136,998.19 - Step 4: Simplify right side
7,528,343.21x = 24,132,035,231,714.25 - Step 5: Solve for x
x = 24,132,035,231,714.25/7,528,343.21 - Step 6: Final answer
x = 3,205,490.85
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.