Finding the Fourth Proportional to 11,979,010.98, 16,531,034.76 and 6,472,387.44
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Solution
The fourth proportional to 11,979,010.98, 16,531,034.76 and 6,472,387.44 is: 8,931,894.46
Step by Step Solution
- Step 1: Write the proportion equation
11,979,010.98 : 16,531,034.76 = 6,472,387.44 : x - Step 2: Convert to fraction form
11,979,010.98/16,531,034.76 = 6,472,387.44/x - Step 3: Cross multiply
11,979,010.98x = 16,531,034.76 × 6,472,387.44 - Step 4: Simplify right side
11,979,010.98x = 106,995,261,750,827.42 - Step 5: Solve for x
x = 106,995,261,750,827.42/11,979,010.98 - Step 6: Final answer
x = 8,931,894.46
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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.