Finding the Fourth Proportional to 10,715,753.44, 14,785,986.79 and 6,309,192.50
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Solution
The fourth proportional to 10,715,753.44, 14,785,986.79 and 6,309,192.50 is: 8,705,653.55
Step by Step Solution
- Step 1: Write the proportion equation
10,715,753.44 : 14,785,986.79 = 6,309,192.50 : x - Step 2: Convert to fraction form
10,715,753.44/14,785,986.79 = 6,309,192.50/x - Step 3: Cross multiply
10,715,753.44x = 14,785,986.79 × 6,309,192.50 - Step 4: Simplify right side
10,715,753.44x = 93,287,636,981,759.06 - Step 5: Solve for x
x = 93,287,636,981,759.06/10,715,753.44 - Step 6: Final answer
x = 8,705,653.55
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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.