Finding the Fourth Proportional to 11,399,803.92, 15,731,422.17 and 6,504,937.44
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Solution
The fourth proportional to 11,399,803.92, 15,731,422.17 and 6,504,937.44 is: 8,976,638.35
Step by Step Solution
- Step 1: Write the proportion equation
11,399,803.92 : 15,731,422.17 = 6,504,937.44 : x - Step 2: Convert to fraction form
11,399,803.92/15,731,422.17 = 6,504,937.44/x - Step 3: Cross multiply
11,399,803.92x = 15,731,422.17 × 6,504,937.44 - Step 4: Simplify right side
11,399,803.92x = 102,331,917,058,079.05 - Step 5: Solve for x
x = 102,331,917,058,079.05/11,399,803.92 - Step 6: Final answer
x = 8,976,638.35
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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.