Finding the Fourth Proportional to 11,330,031.40, 15,635,445.57 and 6,173,392.93
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Solution
The fourth proportional to 11,330,031.40, 15,635,445.57 and 6,173,392.93 is: 8,519,283.46
Step by Step Solution
- Step 1: Write the proportion equation
11,330,031.40 : 15,635,445.57 = 6,173,392.93 : x - Step 2: Convert to fraction form
11,330,031.40/15,635,445.57 = 6,173,392.93/x - Step 3: Cross multiply
11,330,031.40x = 15,635,445.57 × 6,173,392.93 - Step 4: Simplify right side
11,330,031.40x = 96,523,749,061,060.59 - Step 5: Solve for x
x = 96,523,749,061,060.59/11,330,031.40 - Step 6: Final answer
x = 8,519,283.46
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1.5x scale
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.