Finding the Fourth Proportional to 18,444,730.20, 27,667,095.30 and 18,192,787.80
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Solution
The fourth proportional to 18,444,730.20, 27,667,095.30 and 18,192,787.80 is: 27,289,181.70
Step by Step Solution
- Step 1: Write the proportion equation
18,444,730.20 : 27,667,095.30 = 18,192,787.80 : x - Step 2: Convert to fraction form
18,444,730.20/27,667,095.30 = 18,192,787.80/x - Step 3: Cross multiply
18,444,730.20x = 27,667,095.30 × 18,192,787.80 - Step 4: Simplify right side
18,444,730.20x = 503,341,593,835,277.38 - Step 5: Solve for x
x = 503,341,593,835,277.38/18,444,730.20 - Step 6: Final answer
x = 27,289,181.70
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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.