Finding the Fourth Proportional to 31,521,201.44, 47,281,815.12 and 7,586,673.44
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Solution
The fourth proportional to 31,521,201.44, 47,281,815.12 and 7,586,673.44 is: 11,380,013.28
Step by Step Solution
- Step 1: Write the proportion equation
31,521,201.44 : 47,281,815.12 = 7,586,673.44 : x - Step 2: Convert to fraction form
31,521,201.44/47,281,815.12 = 7,586,673.44/x - Step 3: Cross multiply
31,521,201.44x = 47,281,815.12 × 7,586,673.44 - Step 4: Simplify right side
31,521,201.44x = 358,711,690,965,894.44 - Step 5: Solve for x
x = 358,711,690,965,894.44/31,521,201.44 - Step 6: Final answer
x = 11,380,013.28
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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.