Finding the Fourth Proportional to 6,367,741.12, 8,792,943.96 and 6,161,840.74
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Solution
The fourth proportional to 6,367,741.12, 8,792,943.96 and 6,161,840.74 is: 8,508,624.85
Step by Step Solution
- Step 1: Write the proportion equation
6,367,741.12 : 8,792,943.96 = 6,161,840.74 : x - Step 2: Convert to fraction form
6,367,741.12/8,792,943.96 = 6,161,840.74/x - Step 3: Cross multiply
6,367,741.12x = 8,792,943.96 × 6,161,840.74 - Step 4: Simplify right side
6,367,741.12x = 54,180,720,317,264.94 - Step 5: Solve for x
x = 54,180,720,317,264.94/6,367,741.12 - Step 6: Final answer
x = 8,508,624.85
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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.