Finding the Fourth Proportional to 10,310,772.18, 14,229,091.05 and 5,664,617.10
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Solution
The fourth proportional to 10,310,772.18, 14,229,091.05 and 5,664,617.10 is: 7,817,295.45
Step by Step Solution
- Step 1: Write the proportion equation
10,310,772.18 : 14,229,091.05 = 5,664,617.10 : x - Step 2: Convert to fraction form
10,310,772.18/14,229,091.05 = 5,664,617.10/x - Step 3: Cross multiply
10,310,772.18x = 14,229,091.05 × 5,664,617.10 - Step 4: Simplify right side
10,310,772.18x = 80,602,352,479,286.95 - Step 5: Solve for x
x = 80,602,352,479,286.95/10,310,772.18 - Step 6: Final answer
x = 7,817,295.45
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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.