Finding the Fourth Proportional to 16,251,086.88, 22,428,103.68 and 9,282,805.68
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Solution
The fourth proportional to 16,251,086.88, 22,428,103.68 and 9,282,805.68 is: 12,811,187.94
Step by Step Solution
- Step 1: Write the proportion equation
16,251,086.88 : 22,428,103.68 = 9,282,805.68 : x - Step 2: Convert to fraction form
16,251,086.88/22,428,103.68 = 9,282,805.68/x - Step 3: Cross multiply
16,251,086.88x = 22,428,103.68 × 9,282,805.68 - Step 4: Simplify right side
16,251,086.88x = 208,195,728,232,332.91 - Step 5: Solve for x
x = 208,195,728,232,332.91/16,251,086.88 - Step 6: Final answer
x = 12,811,187.94
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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.