Finding the Fourth Proportional to 6,328,688.97, 8,733,385.76 and 3,537,737.99
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Solution
The fourth proportional to 6,328,688.97, 8,733,385.76 and 3,537,737.99 is: 4,881,963.81
Step by Step Solution
- Step 1: Write the proportion equation
6,328,688.97 : 8,733,385.76 = 3,537,737.99 : x - Step 2: Convert to fraction form
6,328,688.97/8,733,385.76 = 3,537,737.99/x - Step 3: Cross multiply
6,328,688.97x = 8,733,385.76 × 3,537,737.99 - Step 4: Simplify right side
6,328,688.97x = 30,896,430,523,121.41 - Step 5: Solve for x
x = 30,896,430,523,121.41/6,328,688.97 - Step 6: Final answer
x = 4,881,963.81
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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.