Finding the Fourth Proportional to 13,163,685.92, 19,747,632.50 and 4,063,644.53
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Solution
The fourth proportional to 13,163,685.92, 19,747,632.50 and 4,063,644.53 is: 6,096,116.18
Step by Step Solution
- Step 1: Write the proportion equation
13,163,685.92 : 19,747,632.50 = 4,063,644.53 : x - Step 2: Convert to fraction form
13,163,685.92/19,747,632.50 = 4,063,644.53/x - Step 3: Cross multiply
13,163,685.92x = 19,747,632.50 × 4,063,644.53 - Step 4: Simplify right side
13,163,685.92x = 80,247,358,789,075.22 - Step 5: Solve for x
x = 80,247,358,789,075.22/13,163,685.92 - Step 6: Final answer
x = 6,096,116.18
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.