Finding the Fourth Proportional to 14,251,104.15, 19,665,996.86 and 7,724,593.49
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Solution
The fourth proportional to 14,251,104.15, 19,665,996.86 and 7,724,593.49 is: 10,659,653.43
Step by Step Solution
- Step 1: Write the proportion equation
14,251,104.15 : 19,665,996.86 = 7,724,593.49 : x - Step 2: Convert to fraction form
14,251,104.15/19,665,996.86 = 7,724,593.49/x - Step 3: Cross multiply
14,251,104.15x = 19,665,996.86 × 7,724,593.49 - Step 4: Simplify right side
14,251,104.15x = 151,911,831,182,163.50 - Step 5: Solve for x
x = 151,911,831,182,163.50/14,251,104.15 - Step 6: Final answer
x = 10,659,653.43
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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.