Finding the Fourth Proportional to 11,039,688.88, 15,234,942.99 and 6,144,964.18
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Solution
The fourth proportional to 11,039,688.88, 15,234,942.99 and 6,144,964.18 is: 8,480,146.49
Step by Step Solution
- Step 1: Write the proportion equation
11,039,688.88 : 15,234,942.99 = 6,144,964.18 : x - Step 2: Convert to fraction form
11,039,688.88/15,234,942.99 = 6,144,964.18/x - Step 3: Cross multiply
11,039,688.88x = 15,234,942.99 × 6,144,964.18 - Step 4: Simplify right side
11,039,688.88x = 93,618,178,957,892.09 - Step 5: Solve for x
x = 93,618,178,957,892.09/11,039,688.88 - Step 6: Final answer
x = 8,480,146.49
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.