Finding the Fourth Proportional to 18,940,567.75, 26,120,552.20 and 12,411,826
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Solution
The fourth proportional to 18,940,567.75, 26,120,552.20 and 12,411,826 is: 17,116,897.09
Step by Step Solution
- Step 1: Write the proportion equation
18,940,567.75 : 26,120,552.20 = 12,411,826 : x - Step 2: Convert to fraction form
18,940,567.75/26,120,552.20 = 12,411,826/x - Step 3: Cross multiply
18,940,567.75x = 26,120,552.20 × 12,411,826 - Step 4: Simplify right side
18,940,567.75x = 324,203,748,930,317.19 - Step 5: Solve for x
x = 324,203,748,930,317.19/18,940,567.75 - Step 6: Final answer
x = 17,116,897.09
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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.