Finding the Fourth Proportional to 16,515,143.70, 24,725,476.35 and 10,137,851.70
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Solution
The fourth proportional to 16,515,143.70, 24,725,476.35 and 10,137,851.70 is: 15,177,779.68
Step by Step Solution
- Step 1: Write the proportion equation
16,515,143.70 : 24,725,476.35 = 10,137,851.70 : x - Step 2: Convert to fraction form
16,515,143.70/24,725,476.35 = 10,137,851.70/x - Step 3: Cross multiply
16,515,143.70x = 24,725,476.35 × 10,137,851.70 - Step 4: Simplify right side
16,515,143.70x = 250,663,212,448,157.28 - Step 5: Solve for x
x = 250,663,212,448,157.28/16,515,143.70 - Step 6: Final answer
x = 15,177,779.68
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1.5x scale
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.