Finding the Fourth Proportional to 11,382,715.37, 15,707,962.63 and 6,226,031.81
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Solution
The fourth proportional to 11,382,715.37, 15,707,962.63 and 6,226,031.81 is: 8,591,822.94
Step by Step Solution
- Step 1: Write the proportion equation
11,382,715.37 : 15,707,962.63 = 6,226,031.81 : x - Step 2: Convert to fraction form
11,382,715.37/15,707,962.63 = 6,226,031.81/x - Step 3: Cross multiply
11,382,715.37x = 15,707,962.63 × 6,226,031.81 - Step 4: Simplify right side
11,382,715.37x = 97,798,275,051,723.70 - Step 5: Solve for x
x = 97,798,275,051,723.70/11,382,715.37 - Step 6: Final answer
x = 8,591,822.94
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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.