Finding the Fourth Proportional to 7,769,138.04, 10,728,180.27 and 4,873,506.30
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Solution
The fourth proportional to 7,769,138.04, 10,728,180.27 and 4,873,506.30 is: 6,729,685.31
Step by Step Solution
- Step 1: Write the proportion equation
7,769,138.04 : 10,728,180.27 = 4,873,506.30 : x - Step 2: Convert to fraction form
7,769,138.04/10,728,180.27 = 4,873,506.30/x - Step 3: Cross multiply
7,769,138.04x = 10,728,180.27 × 4,873,506.30 - Step 4: Simplify right side
7,769,138.04x = 52,283,854,133,380.70 - Step 5: Solve for x
x = 52,283,854,133,380.70/7,769,138.04 - Step 6: Final answer
x = 6,729,685.31
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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.