Finding the Fourth Proportional to 11,685,689.09, 16,127,085.90 and 6,458,584.80
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Solution
The fourth proportional to 11,685,689.09, 16,127,085.90 and 6,458,584.80 is: 8,913,308.50
Step by Step Solution
- Step 1: Write the proportion equation
11,685,689.09 : 16,127,085.90 = 6,458,584.80 : x - Step 2: Convert to fraction form
11,685,689.09/16,127,085.90 = 6,458,584.80/x - Step 3: Cross multiply
11,685,689.09x = 16,127,085.90 × 6,458,584.80 - Step 4: Simplify right side
11,685,689.09x = 104,158,151,862,034.31 - Step 5: Solve for x
x = 104,158,151,862,034.31/11,685,689.09 - Step 6: Final answer
x = 8,913,308.50
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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.