Finding the Fourth Proportional to 25,420,219.98, 35,079,926.97 and 13,817,783.12
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Solution
The fourth proportional to 25,420,219.98, 35,079,926.97 and 13,817,783.12 is: 19,068,553.42
Step by Step Solution
- Step 1: Write the proportion equation
25,420,219.98 : 35,079,926.97 = 13,817,783.12 : x - Step 2: Convert to fraction form
25,420,219.98/35,079,926.97 = 13,817,783.12/x - Step 3: Cross multiply
25,420,219.98x = 35,079,926.97 × 13,817,783.12 - Step 4: Simplify right side
25,420,219.98x = 484,726,822,535,604.56 - Step 5: Solve for x
x = 484,726,822,535,604.56/25,420,219.98 - Step 6: Final answer
x = 19,068,553.42
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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.