Finding the Fourth Proportional to 18,143,912.84, 27,221,184.48 and 5,364,750.20
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Solution
The fourth proportional to 18,143,912.84, 27,221,184.48 and 5,364,750.20 is: 8,048,696.89
Step by Step Solution
- Step 1: Write the proportion equation
18,143,912.84 : 27,221,184.48 = 5,364,750.20 : x - Step 2: Convert to fraction form
18,143,912.84/27,221,184.48 = 5,364,750.20/x - Step 3: Cross multiply
18,143,912.84x = 27,221,184.48 × 5,364,750.20 - Step 4: Simplify right side
18,143,912.84x = 146,034,854,883,316.91 - Step 5: Solve for x
x = 146,034,854,883,316.91/18,143,912.84 - Step 6: Final answer
x = 8,048,696.89
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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.