Finding the Fourth Proportional to 7,407,746.01, 11,112,046.70 and 2,858,818.41
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Solution
The fourth proportional to 7,407,746.01, 11,112,046.70 and 2,858,818.41 is: 4,288,392.67
Step by Step Solution
- Step 1: Write the proportion equation
7,407,746.01 : 11,112,046.70 = 2,858,818.41 : x - Step 2: Convert to fraction form
7,407,746.01/11,112,046.70 = 2,858,818.41/x - Step 3: Cross multiply
7,407,746.01x = 11,112,046.70 × 2,858,818.41 - Step 4: Simplify right side
7,407,746.01x = 31,767,323,664,445.66 - Step 5: Solve for x
x = 31,767,323,664,445.66/7,407,746.01 - Step 6: Final answer
x = 4,288,392.67
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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.