Finding the Fourth Proportional to 11,117,485.40, 16,651,344.90 and 9,126,829.40
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Solution
The fourth proportional to 11,117,485.40, 16,651,344.90 and 9,126,829.40 is: 13,669,816.39
Step by Step Solution
- Step 1: Write the proportion equation
11,117,485.40 : 16,651,344.90 = 9,126,829.40 : x - Step 2: Convert to fraction form
11,117,485.40/16,651,344.90 = 9,126,829.40/x - Step 3: Cross multiply
11,117,485.40x = 16,651,344.90 × 9,126,829.40 - Step 4: Simplify right side
11,117,485.40x = 151,973,984,182,860.06 - Step 5: Solve for x
x = 151,973,984,182,860.06/11,117,485.40 - Step 6: Final answer
x = 13,669,816.39
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.