Finding the Fourth Proportional to 6,736,163.74, 9,295,909.36 and 3,638,686.94
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Solution
The fourth proportional to 6,736,163.74, 9,295,909.36 and 3,638,686.94 is: 5,021,389.81
Step by Step Solution
- Step 1: Write the proportion equation
6,736,163.74 : 9,295,909.36 = 3,638,686.94 : x - Step 2: Convert to fraction form
6,736,163.74/9,295,909.36 = 3,638,686.94/x - Step 3: Cross multiply
6,736,163.74x = 9,295,909.36 × 3,638,686.94 - Step 4: Simplify right side
6,736,163.74x = 33,824,903,962,939.16 - Step 5: Solve for x
x = 33,824,903,962,939.16/6,736,163.74 - Step 6: Final answer
x = 5,021,389.81
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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.