Finding the Fourth Proportional to 36,135,213.32, 49,866,658.12 and 19,615,349.33
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Solution
The fourth proportional to 36,135,213.32, 49,866,658.12 and 19,615,349.33 is: 27,069,216.67
Step by Step Solution
- Step 1: Write the proportion equation
36,135,213.32 : 49,866,658.12 = 19,615,349.33 : x - Step 2: Convert to fraction form
36,135,213.32/49,866,658.12 = 19,615,349.33/x - Step 3: Cross multiply
36,135,213.32x = 49,866,658.12 × 19,615,349.33 - Step 4: Simplify right side
36,135,213.32x = 978,151,918,867,852.88 - Step 5: Solve for x
x = 978,151,918,867,852.88/36,135,213.32 - Step 6: Final answer
x = 27,069,216.67
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.