Finding the Fourth Proportional to 7,648,085.16, 11,472,444.36 and 2,256,735.47
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Solution
The fourth proportional to 7,648,085.16, 11,472,444.36 and 2,256,735.47 is: 3,385,196.62
Step by Step Solution
- Step 1: Write the proportion equation
7,648,085.16 : 11,472,444.36 = 2,256,735.47 : x - Step 2: Convert to fraction form
7,648,085.16/11,472,444.36 = 2,256,735.47/x - Step 3: Cross multiply
7,648,085.16x = 11,472,444.36 × 2,256,735.47 - Step 4: Simplify right side
7,648,085.16x = 25,890,272,057,451.22 - Step 5: Solve for x
x = 25,890,272,057,451.22/7,648,085.16 - Step 6: Final answer
x = 3,385,196.62
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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.