Finding the Fourth Proportional to 8,474,315.04, 11,683,578.06 and 5,488,706.49
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Solution
The fourth proportional to 8,474,315.04, 11,683,578.06 and 5,488,706.49 is: 7,567,305.49
Step by Step Solution
- Step 1: Write the proportion equation
8,474,315.04 : 11,683,578.06 = 5,488,706.49 : x - Step 2: Convert to fraction form
8,474,315.04/11,683,578.06 = 5,488,706.49/x - Step 3: Cross multiply
8,474,315.04x = 11,683,578.06 × 5,488,706.49 - Step 4: Simplify right side
8,474,315.04x = 64,127,730,724,343.62 - Step 5: Solve for x
x = 64,127,730,724,343.62/8,474,315.04 - Step 6: Final answer
x = 7,567,305.49
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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.