Finding the Fourth Proportional to 10,984,732.80, 16,479,838.99 and 7,752,584.02
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Solution
The fourth proportional to 10,984,732.80, 16,479,838.99 and 7,752,584.02 is: 11,630,809.65
Step by Step Solution
- Step 1: Write the proportion equation
10,984,732.80 : 16,479,838.99 = 7,752,584.02 : x - Step 2: Convert to fraction form
10,984,732.80/16,479,838.99 = 7,752,584.02/x - Step 3: Cross multiply
10,984,732.80x = 16,479,838.99 × 7,752,584.02 - Step 4: Simplify right side
10,984,732.80x = 127,761,336,292,309.30 - Step 5: Solve for x
x = 127,761,336,292,309.30/10,984,732.80 - Step 6: Final answer
x = 11,630,809.65
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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.