Finding the Fourth Proportional to 11,722,387.02, 16,184,793.64 and 7,318,824.26
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Solution
The fourth proportional to 11,722,387.02, 16,184,793.64 and 7,318,824.26 is: 10,104,909.53
Step by Step Solution
- Step 1: Write the proportion equation
11,722,387.02 : 16,184,793.64 = 7,318,824.26 : x - Step 2: Convert to fraction form
11,722,387.02/16,184,793.64 = 7,318,824.26/x - Step 3: Cross multiply
11,722,387.02x = 16,184,793.64 × 7,318,824.26 - Step 4: Simplify right side
11,722,387.02x = 118,453,660,335,525.70 - Step 5: Solve for x
x = 118,453,660,335,525.70/11,722,387.02 - Step 6: Final answer
x = 10,104,909.53
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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.