Finding the Fourth Proportional to 14,829,699.33, 20,464,418.21 and 8,302,718.12
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Solution
The fourth proportional to 14,829,699.33, 20,464,418.21 and 8,302,718.12 is: 11,457,433.62
Step by Step Solution
- Step 1: Write the proportion equation
14,829,699.33 : 20,464,418.21 = 8,302,718.12 : x - Step 2: Convert to fraction form
14,829,699.33/20,464,418.21 = 8,302,718.12/x - Step 3: Cross multiply
14,829,699.33x = 20,464,418.21 × 8,302,718.12 - Step 4: Simplify right side
14,829,699.33x = 169,910,295,743,589.28 - Step 5: Solve for x
x = 169,910,295,743,589.28/14,829,699.33 - Step 6: Final answer
x = 11,457,433.62
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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.