Finding the Fourth Proportional to 14,124,226.72, 19,489,849.68 and 8,322,630.88
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Solution
The fourth proportional to 14,124,226.72, 19,489,849.68 and 8,322,630.88 is: 11,484,297.73
Step by Step Solution
- Step 1: Write the proportion equation
14,124,226.72 : 19,489,849.68 = 8,322,630.88 : x - Step 2: Convert to fraction form
14,124,226.72/19,489,849.68 = 8,322,630.88/x - Step 3: Cross multiply
14,124,226.72x = 19,489,849.68 × 8,322,630.88 - Step 4: Simplify right side
14,124,226.72x = 162,206,824,793,326.12 - Step 5: Solve for x
x = 162,206,824,793,326.12/14,124,226.72 - Step 6: Final answer
x = 11,484,297.73
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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.