Finding the Fourth Proportional to 11,817,975.60, 16,310,059.92 and 6,927,306.84
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Solution
The fourth proportional to 11,817,975.60, 16,310,059.92 and 6,927,306.84 is: 9,560,418.25
Step by Step Solution
- Step 1: Write the proportion equation
11,817,975.60 : 16,310,059.92 = 6,927,306.84 : x - Step 2: Convert to fraction form
11,817,975.60/16,310,059.92 = 6,927,306.84/x - Step 3: Cross multiply
11,817,975.60x = 16,310,059.92 × 6,927,306.84 - Step 4: Simplify right side
11,817,975.60x = 112,984,789,644,625.84 - Step 5: Solve for x
x = 112,984,789,644,625.84/11,817,975.60 - Step 6: Final answer
x = 9,560,418.25
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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.