Finding the Fourth Proportional to 32,181,555.20, 48,272,332.80 and 18,576,665.60
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Solution
The fourth proportional to 32,181,555.20, 48,272,332.80 and 18,576,665.60 is: 27,864,998.40
Step by Step Solution
- Step 1: Write the proportion equation
32,181,555.20 : 48,272,332.80 = 18,576,665.60 : x - Step 2: Convert to fraction form
32,181,555.20/48,272,332.80 = 18,576,665.60/x - Step 3: Cross multiply
32,181,555.20x = 48,272,332.80 × 18,576,665.60 - Step 4: Simplify right side
32,181,555.20x = 896,738,984,157,511.75 - Step 5: Solve for x
x = 896,738,984,157,511.75/32,181,555.20 - Step 6: Final answer
x = 27,864,998.40
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Similar ratio
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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.