Finding the Fourth Proportional to 7,264,256.64, 10,025,643.18 and 4,693,418.70
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Solution
The fourth proportional to 7,264,256.64, 10,025,643.18 and 4,693,418.70 is: 6,477,543.89
Step by Step Solution
- Step 1: Write the proportion equation
7,264,256.64 : 10,025,643.18 = 4,693,418.70 : x - Step 2: Convert to fraction form
7,264,256.64/10,025,643.18 = 4,693,418.70/x - Step 3: Cross multiply
7,264,256.64x = 10,025,643.18 × 4,693,418.70 - Step 4: Simplify right side
7,264,256.64x = 47,054,541,180,539.47 - Step 5: Solve for x
x = 47,054,541,180,539.47/7,264,256.64 - Step 6: Final answer
x = 6,477,543.89
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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.