Finding the Fourth Proportional to 7,919,092.91, 10,922,702.74 and 7,267,818.17
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Solution
The fourth proportional to 7,919,092.91, 10,922,702.74 and 7,267,818.17 is: 10,024,407.89
Step by Step Solution
- Step 1: Write the proportion equation
7,919,092.91 : 10,922,702.74 = 7,267,818.17 : x - Step 2: Convert to fraction form
7,919,092.91/10,922,702.74 = 7,267,818.17/x - Step 3: Cross multiply
7,919,092.91x = 10,922,702.74 × 7,267,818.17 - Step 4: Simplify right side
7,919,092.91x = 79,384,217,448,418 - Step 5: Solve for x
x = 79,384,217,448,418/7,919,092.91 - Step 6: Final answer
x = 10,024,407.89
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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.