Finding the Fourth Proportional to 11,330,031.52, 15,635,445.74 and 6,173,393.07
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Solution
The fourth proportional to 11,330,031.52, 15,635,445.74 and 6,173,393.07 is: 8,519,283.66
Step by Step Solution
- Step 1: Write the proportion equation
11,330,031.52 : 15,635,445.74 = 6,173,393.07 : x - Step 2: Convert to fraction form
11,330,031.52/15,635,445.74 = 6,173,393.07/x - Step 3: Cross multiply
11,330,031.52x = 15,635,445.74 × 6,173,393.07 - Step 4: Simplify right side
11,330,031.52x = 96,523,752,377,677.03 - Step 5: Solve for x
x = 96,523,752,377,677.03/11,330,031.52 - Step 6: Final answer
x = 8,519,283.66
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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.