Finding the Fourth Proportional to 11,238,124.15, 15,508,611.34 and 6,081,485.70
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Solution
The fourth proportional to 11,238,124.15, 15,508,611.34 and 6,081,485.70 is: 8,392,450.27
Step by Step Solution
- Step 1: Write the proportion equation
11,238,124.15 : 15,508,611.34 = 6,081,485.70 : x - Step 2: Convert to fraction form
11,238,124.15/15,508,611.34 = 6,081,485.70/x - Step 3: Cross multiply
11,238,124.15x = 15,508,611.34 × 6,081,485.70 - Step 4: Simplify right side
11,238,124.15x = 94,315,398,003,167.52 - Step 5: Solve for x
x = 94,315,398,003,167.52/11,238,124.15 - Step 6: Final answer
x = 8,392,450.27
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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.