Finding the Fourth Proportional to 8,683,305.68, 11,983,538.04 and 4,815,989.84
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Solution
The fourth proportional to 8,683,305.68, 11,983,538.04 and 4,815,989.84 is: 6,646,385.56
Step by Step Solution
- Step 1: Write the proportion equation
8,683,305.68 : 11,983,538.04 = 4,815,989.84 : x - Step 2: Convert to fraction form
8,683,305.68/11,983,538.04 = 4,815,989.84/x - Step 3: Cross multiply
8,683,305.68x = 11,983,538.04 × 4,815,989.84 - Step 4: Simplify right side
8,683,305.68x = 57,712,597,447,893.51 - Step 5: Solve for x
x = 57,712,597,447,893.51/8,683,305.68 - Step 6: Final answer
x = 6,646,385.56
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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.