Finding the Fourth Proportional to 7,714,115.99, 11,571,272.40 and 5,317,317.08
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Solution
The fourth proportional to 7,714,115.99, 11,571,272.40 and 5,317,317.08 is: 7,976,043.46
Step by Step Solution
- Step 1: Write the proportion equation
7,714,115.99 : 11,571,272.40 = 5,317,317.08 : x - Step 2: Convert to fraction form
7,714,115.99/11,571,272.40 = 5,317,317.08/x - Step 3: Cross multiply
7,714,115.99x = 11,571,272.40 × 5,317,317.08 - Step 4: Simplify right side
7,714,115.99x = 61,528,124,369,852.59 - Step 5: Solve for x
x = 61,528,124,369,852.59/7,714,115.99 - Step 6: Final answer
x = 7,976,043.46
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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.