Finding the Fourth Proportional to 10,218,688.41, 15,310,680.99 and 6,166,661.79
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Solution
The fourth proportional to 10,218,688.41, 15,310,680.99 and 6,166,661.79 is: 9,239,521.52
Step by Step Solution
- Step 1: Write the proportion equation
10,218,688.41 : 15,310,680.99 = 6,166,661.79 : x - Step 2: Convert to fraction form
10,218,688.41/15,310,680.99 = 6,166,661.79/x - Step 3: Cross multiply
10,218,688.41x = 15,310,680.99 × 6,166,661.79 - Step 4: Simplify right side
10,218,688.41x = 94,415,791,439,912.38 - Step 5: Solve for x
x = 94,415,791,439,912.38/10,218,688.41 - Step 6: Final answer
x = 9,239,521.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.