Finding the Fourth Proportional to 32,195,865.41, 44,426,261.56 and 21,764,578.15
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Solution
The fourth proportional to 32,195,865.41, 44,426,261.56 and 21,764,578.15 is: 30,032,391.72
Step by Step Solution
- Step 1: Write the proportion equation
32,195,865.41 : 44,426,261.56 = 21,764,578.15 : x - Step 2: Convert to fraction form
32,195,865.41/44,426,261.56 = 21,764,578.15/x - Step 3: Cross multiply
32,195,865.41x = 44,426,261.56 × 21,764,578.15 - Step 4: Simplify right side
32,195,865.41x = 966,918,841,634,960.88 - Step 5: Solve for x
x = 966,918,841,634,960.88/32,195,865.41 - Step 6: Final answer
x = 30,032,391.72
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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.