Finding the Fourth Proportional to 11,467,187.21, 15,824,720.72 and 6,310,548.81
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Solution
The fourth proportional to 11,467,187.21, 15,824,720.72 and 6,310,548.81 is: 8,708,558.66
Step by Step Solution
- Step 1: Write the proportion equation
11,467,187.21 : 15,824,720.72 = 6,310,548.81 : x - Step 2: Convert to fraction form
11,467,187.21/15,824,720.72 = 6,310,548.81/x - Step 3: Cross multiply
11,467,187.21x = 15,824,720.72 × 6,310,548.81 - Step 4: Simplify right side
11,467,187.21x = 99,862,672,508,178.34 - Step 5: Solve for x
x = 99,862,672,508,178.34/11,467,187.21 - Step 6: Final answer
x = 8,708,558.66
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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.