Finding the Fourth Proportional to 13,204,349.37, 18,215,246.93 and 8,801,655.93
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Solution
The fourth proportional to 13,204,349.37, 18,215,246.93 and 8,801,655.93 is: 12,141,782.35
Step by Step Solution
- Step 1: Write the proportion equation
13,204,349.37 : 18,215,246.93 = 8,801,655.93 : x - Step 2: Convert to fraction form
13,204,349.37/18,215,246.93 = 8,801,655.93/x - Step 3: Cross multiply
13,204,349.37x = 18,215,246.93 × 8,801,655.93 - Step 4: Simplify right side
13,204,349.37x = 160,324,336,113,840.53 - Step 5: Solve for x
x = 160,324,336,113,840.53/13,204,349.37 - Step 6: Final answer
x = 12,141,782.35
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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.