Finding the Fourth Proportional to 7,845,914.26, 10,827,491.18 and 4,313,860.12
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Solution
The fourth proportional to 7,845,914.26, 10,827,491.18 and 4,313,860.12 is: 5,953,198.17
Step by Step Solution
- Step 1: Write the proportion equation
7,845,914.26 : 10,827,491.18 = 4,313,860.12 : x - Step 2: Convert to fraction form
7,845,914.26/10,827,491.18 = 4,313,860.12/x - Step 3: Cross multiply
7,845,914.26x = 10,827,491.18 × 4,313,860.12 - Step 4: Simplify right side
7,845,914.26x = 46,708,282,379,484.45 - Step 5: Solve for x
x = 46,708,282,379,484.45/7,845,914.26 - Step 6: Final answer
x = 5,953,198.17
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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.