Finding the Fourth Proportional to 16,117,243.20, 24,175,864.80 and 4,757,673.60
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Solution
The fourth proportional to 16,117,243.20, 24,175,864.80 and 4,757,673.60 is: 7,136,510.40
Step by Step Solution
- Step 1: Write the proportion equation
16,117,243.20 : 24,175,864.80 = 4,757,673.60 : x - Step 2: Convert to fraction form
16,117,243.20/24,175,864.80 = 4,757,673.60/x - Step 3: Cross multiply
16,117,243.20x = 24,175,864.80 × 4,757,673.60 - Step 4: Simplify right side
16,117,243.20x = 115,020,873,716,129.28 - Step 5: Solve for x
x = 115,020,873,716,129.28/16,117,243.20 - Step 6: Final answer
x = 7,136,510.40
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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.