Finding the Fourth Proportional to 14,229,805.68, 19,637,107.56 and 7,703,432.64
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Solution
The fourth proportional to 14,229,805.68, 19,637,107.56 and 7,703,432.64 is: 10,630,723.90
Step by Step Solution
- Step 1: Write the proportion equation
14,229,805.68 : 19,637,107.56 = 7,703,432.64 : x - Step 2: Convert to fraction form
14,229,805.68/19,637,107.56 = 7,703,432.64/x - Step 3: Cross multiply
14,229,805.68x = 19,637,107.56 × 7,703,432.64 - Step 4: Simplify right side
14,229,805.68x = 151,273,135,332,894.75 - Step 5: Solve for x
x = 151,273,135,332,894.75/14,229,805.68 - Step 6: Final answer
x = 10,630,723.90
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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.