Finding the Fourth Proportional to 38,997,571.44, 53,815,989.35 and 21,593,542.08
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Solution
The fourth proportional to 38,997,571.44, 53,815,989.35 and 21,593,542.08 is: 29,798,723.04
Step by Step Solution
- Step 1: Write the proportion equation
38,997,571.44 : 53,815,989.35 = 21,593,542.08 : x - Step 2: Convert to fraction form
38,997,571.44/53,815,989.35 = 21,593,542.08/x - Step 3: Cross multiply
38,997,571.44x = 53,815,989.35 × 21,593,542.08 - Step 4: Simplify right side
38,997,571.44x = 1,162,077,830,660,040.50 - Step 5: Solve for x
x = 1,162,077,830,660,040.50/38,997,571.44 - Step 6: Final answer
x = 29,798,723.04
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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.