Finding the Fourth Proportional to 11,992,533.06, 17,990,059.84 and 3,906,138.84
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Solution
The fourth proportional to 11,992,533.06, 17,990,059.84 and 3,906,138.84 is: 5,859,618.74
Step by Step Solution
- Step 1: Write the proportion equation
11,992,533.06 : 17,990,059.84 = 3,906,138.84 : x - Step 2: Convert to fraction form
11,992,533.06/17,990,059.84 = 3,906,138.84/x - Step 3: Cross multiply
11,992,533.06x = 17,990,059.84 × 3,906,138.84 - Step 4: Simplify right side
11,992,533.06x = 70,271,671,474,948.18 - Step 5: Solve for x
x = 70,271,671,474,948.18/11,992,533.06 - Step 6: Final answer
x = 5,859,618.74
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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.