Finding the Fourth Proportional to 11,163,245.28, 15,400,882.08 and 6,450,526.96
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Solution
The fourth proportional to 11,163,245.28, 15,400,882.08 and 6,450,526.96 is: 8,899,186.80
Step by Step Solution
- Step 1: Write the proportion equation
11,163,245.28 : 15,400,882.08 = 6,450,526.96 : x - Step 2: Convert to fraction form
11,163,245.28/15,400,882.08 = 6,450,526.96/x - Step 3: Cross multiply
11,163,245.28x = 15,400,882.08 × 6,450,526.96 - Step 4: Simplify right side
11,163,245.28x = 99,343,805,064,820.88 - Step 5: Solve for x
x = 99,343,805,064,820.88/11,163,245.28 - Step 6: Final answer
x = 8,899,186.80
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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.