Finding the Fourth Proportional to 11,618,212.26, 16,033,339.08 and 6,461,576.09
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Solution
The fourth proportional to 11,618,212.26, 16,033,339.08 and 6,461,576.09 is: 8,917,089.66
Step by Step Solution
- Step 1: Write the proportion equation
11,618,212.26 : 16,033,339.08 = 6,461,576.09 : x - Step 2: Convert to fraction form
11,618,212.26/16,033,339.08 = 6,461,576.09/x - Step 3: Cross multiply
11,618,212.26x = 16,033,339.08 × 6,461,576.09 - Step 4: Simplify right side
11,618,212.26x = 103,600,640,362,023.91 - Step 5: Solve for x
x = 103,600,640,362,023.91/11,618,212.26 - Step 6: Final answer
x = 8,917,089.66
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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.