Finding the Fourth Proportional to 10,825,632.49, 14,939,367.66 and 6,474,718.71
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Solution
The fourth proportional to 10,825,632.49, 14,939,367.66 and 6,474,718.71 is: 8,935,108.72
Step by Step Solution
- Step 1: Write the proportion equation
10,825,632.49 : 14,939,367.66 = 6,474,718.71 : x - Step 2: Convert to fraction form
10,825,632.49/14,939,367.66 = 6,474,718.71/x - Step 3: Cross multiply
10,825,632.49x = 14,939,367.66 × 6,474,718.71 - Step 4: Simplify right side
10,825,632.49x = 96,728,203,303,770.92 - Step 5: Solve for x
x = 96,728,203,303,770.92/10,825,632.49 - Step 6: Final answer
x = 8,935,108.72
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1.5x scale
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.