Finding the Fourth Proportional to 14,907,018.24, 20,572,414.08 and 8,382,700.80
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Solution
The fourth proportional to 14,907,018.24, 20,572,414.08 and 8,382,700.80 is: 11,568,536.99
Step by Step Solution
- Step 1: Write the proportion equation
14,907,018.24 : 20,572,414.08 = 8,382,700.80 : x - Step 2: Convert to fraction form
14,907,018.24/20,572,414.08 = 8,382,700.80/x - Step 3: Cross multiply
14,907,018.24x = 20,572,414.08 × 8,382,700.80 - Step 4: Simplify right side
14,907,018.24x = 172,452,391,966,347.25 - Step 5: Solve for x
x = 172,452,391,966,347.25/14,907,018.24 - Step 6: Final answer
x = 11,568,536.99
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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.