Finding the Fourth Proportional to 6,831,711.68, 9,424,030.68 and 4,381,596.45
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Solution
The fourth proportional to 6,831,711.68, 9,424,030.68 and 4,381,596.45 is: 6,044,209.90
Step by Step Solution
- Step 1: Write the proportion equation
6,831,711.68 : 9,424,030.68 = 4,381,596.45 : x - Step 2: Convert to fraction form
6,831,711.68/9,424,030.68 = 4,381,596.45/x - Step 3: Cross multiply
6,831,711.68x = 9,424,030.68 × 4,381,596.45 - Step 4: Simplify right side
6,831,711.68x = 41,292,299,372,179.09 - Step 5: Solve for x
x = 41,292,299,372,179.09/6,831,711.68 - Step 6: Final answer
x = 6,044,209.90
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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.