Finding the Fourth Proportional to 13,321,733.76, 18,384,438.24 and 8,164,099.26
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Solution
The fourth proportional to 13,321,733.76, 18,384,438.24 and 8,164,099.26 is: 11,266,730.09
Step by Step Solution
- Step 1: Write the proportion equation
13,321,733.76 : 18,384,438.24 = 8,164,099.26 : x - Step 2: Convert to fraction form
13,321,733.76/18,384,438.24 = 8,164,099.26/x - Step 3: Cross multiply
13,321,733.76x = 18,384,438.24 × 8,164,099.26 - Step 4: Simplify right side
13,321,733.76x = 150,092,378,630,699.69 - Step 5: Solve for x
x = 150,092,378,630,699.69/13,321,733.76 - Step 6: Final answer
x = 11,266,730.09
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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.