Finding the Fourth Proportional to 13,263,537.87, 18,259,466.36 and 12,654,152.19
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Solution
The fourth proportional to 13,263,537.87, 18,259,466.36 and 12,654,152.19 is: 17,420,545.60
Step by Step Solution
- Step 1: Write the proportion equation
13,263,537.87 : 18,259,466.36 = 12,654,152.19 : x - Step 2: Convert to fraction form
13,263,537.87/18,259,466.36 = 12,654,152.19/x - Step 3: Cross multiply
13,263,537.87x = 18,259,466.36 × 12,654,152.19 - Step 4: Simplify right side
13,263,537.87x = 231,058,066,227,625.31 - Step 5: Solve for x
x = 231,058,066,227,625.31/13,263,537.87 - Step 6: Final answer
x = 17,420,545.60
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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.