Finding the Fourth Proportional to 7,959,763.68, 11,938,479.04 and 3,915,165.92
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Solution
The fourth proportional to 7,959,763.68, 11,938,479.04 and 3,915,165.92 is: 5,872,175.12
Step by Step Solution
- Step 1: Write the proportion equation
7,959,763.68 : 11,938,479.04 = 3,915,165.92 : x - Step 2: Convert to fraction form
7,959,763.68/11,938,479.04 = 3,915,165.92/x - Step 3: Cross multiply
7,959,763.68x = 11,938,479.04 × 3,915,165.92 - Step 4: Simplify right side
7,959,763.68x = 46,741,126,274,042.31 - Step 5: Solve for x
x = 46,741,126,274,042.31/7,959,763.68 - Step 6: Final answer
x = 5,872,175.12
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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.