Finding the Fourth Proportional to 9,777,711.08, 13,493,385.06 and 5,427,076.84
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Solution
The fourth proportional to 9,777,711.08, 13,493,385.06 and 5,427,076.84 is: 7,489,445.84
Step by Step Solution
- Step 1: Write the proportion equation
9,777,711.08 : 13,493,385.06 = 5,427,076.84 : x - Step 2: Convert to fraction form
9,777,711.08/13,493,385.06 = 5,427,076.84/x - Step 3: Cross multiply
9,777,711.08x = 13,493,385.06 × 5,427,076.84 - Step 4: Simplify right side
9,777,711.08x = 73,229,637,552,328.02 - Step 5: Solve for x
x = 73,229,637,552,328.02/9,777,711.08 - Step 6: Final answer
x = 7,489,445.84
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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.