Finding the Fourth Proportional to 8,763,943.80, 13,123,797.30 and 6,994,471.80
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Solution
The fourth proportional to 8,763,943.80, 13,123,797.30 and 6,994,471.80 is: 10,474,055.09
Step by Step Solution
- Step 1: Write the proportion equation
8,763,943.80 : 13,123,797.30 = 6,994,471.80 : x - Step 2: Convert to fraction form
8,763,943.80/13,123,797.30 = 6,994,471.80/x - Step 3: Cross multiply
8,763,943.80x = 13,123,797.30 × 6,994,471.80 - Step 4: Simplify right side
8,763,943.80x = 91,794,030,123,766.14 - Step 5: Solve for x
x = 91,794,030,123,766.14/8,763,943.80 - Step 6: Final answer
x = 10,474,055.09
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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.