Finding the Fourth Proportional to 7,111,708.80, 10,651,816.80 and 5,851,996.80
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Solution
The fourth proportional to 7,111,708.80, 10,651,816.80 and 5,851,996.80 is: 8,765,037.99
Step by Step Solution
- Step 1: Write the proportion equation
7,111,708.80 : 10,651,816.80 = 5,851,996.80 : x - Step 2: Convert to fraction form
7,111,708.80/10,651,816.80 = 5,851,996.80/x - Step 3: Cross multiply
7,111,708.80x = 10,651,816.80 × 5,851,996.80 - Step 4: Simplify right side
7,111,708.80x = 62,334,397,827,786.24 - Step 5: Solve for x
x = 62,334,397,827,786.24/7,111,708.80 - Step 6: Final answer
x = 8,765,037.99
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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.