Finding the Fourth Proportional to 10,679,902.75, 14,738,336.55 and 5,785,124.84
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Solution
The fourth proportional to 10,679,902.75, 14,738,336.55 and 5,785,124.84 is: 7,983,510.61
Step by Step Solution
- Step 1: Write the proportion equation
10,679,902.75 : 14,738,336.55 = 5,785,124.84 : x - Step 2: Convert to fraction form
10,679,902.75/14,738,336.55 = 5,785,124.84/x - Step 3: Cross multiply
10,679,902.75x = 14,738,336.55 × 5,785,124.84 - Step 4: Simplify right side
10,679,902.75x = 85,263,116,866,129.03 - Step 5: Solve for x
x = 85,263,116,866,129.03/10,679,902.75 - Step 6: Final answer
x = 7,983,510.61
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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.