Finding the Fourth Proportional to 18,293,929.82, 27,475,013.98 and 16,106,275.09
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Solution
The fourth proportional to 18,293,929.82, 27,475,013.98 and 16,106,275.09 is: 24,189,451.78
Step by Step Solution
- Step 1: Write the proportion equation
18,293,929.82 : 27,475,013.98 = 16,106,275.09 : x - Step 2: Convert to fraction form
18,293,929.82/27,475,013.98 = 16,106,275.09/x - Step 3: Cross multiply
18,293,929.82x = 27,475,013.98 × 16,106,275.09 - Step 4: Simplify right side
18,293,929.82x = 442,520,133,317,952.38 - Step 5: Solve for x
x = 442,520,133,317,952.38/18,293,929.82 - Step 6: Final answer
x = 24,189,451.78
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.