Finding the Fourth Proportional to 16,481,330.40, 24,719,662.80 and 5,122,927.20
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Solution
The fourth proportional to 16,481,330.40, 24,719,662.80 and 5,122,927.20 is: 7,683,665.69
Step by Step Solution
- Step 1: Write the proportion equation
16,481,330.40 : 24,719,662.80 = 5,122,927.20 : x - Step 2: Convert to fraction form
16,481,330.40/24,719,662.80 = 5,122,927.20/x - Step 3: Cross multiply
16,481,330.40x = 24,719,662.80 × 5,122,927.20 - Step 4: Simplify right side
16,481,330.40x = 126,637,032,932,948.17 - Step 5: Solve for x
x = 126,637,032,932,948.17/16,481,330.40 - Step 6: Final answer
x = 7,683,665.69
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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.