Finding the Fourth Proportional to 16,236,074.24, 22,390,326.48 and 9,708,666.56
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Solution
The fourth proportional to 16,236,074.24, 22,390,326.48 and 9,708,666.56 is: 13,388,717.66
Step by Step Solution
- Step 1: Write the proportion equation
16,236,074.24 : 22,390,326.48 = 9,708,666.56 : x - Step 2: Convert to fraction form
16,236,074.24/22,390,326.48 = 9,708,666.56/x - Step 3: Cross multiply
16,236,074.24x = 22,390,326.48 × 9,708,666.56 - Step 4: Simplify right side
16,236,074.24x = 217,380,213,963,858.53 - Step 5: Solve for x
x = 217,380,213,963,858.53/16,236,074.24 - Step 6: Final answer
x = 13,388,717.66
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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.