Finding the Fourth Proportional to 14,642,454.61, 20,206,552.49 and 8,027,031.31
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Solution
The fourth proportional to 14,642,454.61, 20,206,552.49 and 8,027,031.31 is: 11,077,284.09
Step by Step Solution
- Step 1: Write the proportion equation
14,642,454.61 : 20,206,552.49 = 8,027,031.31 : x - Step 2: Convert to fraction form
14,642,454.61/20,206,552.49 = 8,027,031.31/x - Step 3: Cross multiply
14,642,454.61x = 20,206,552.49 × 8,027,031.31 - Step 4: Simplify right side
14,642,454.61x = 162,198,629,464,253.28 - Step 5: Solve for x
x = 162,198,629,464,253.28/14,642,454.61 - Step 6: Final answer
x = 11,077,284.09
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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.