Finding the Fourth Proportional to 13,433,393.57, 18,549,709.97 and 12,743,862.23
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Solution
The fourth proportional to 13,433,393.57, 18,549,709.97 and 12,743,862.23 is: 17,597,559.92
Step by Step Solution
- Step 1: Write the proportion equation
13,433,393.57 : 18,549,709.97 = 12,743,862.23 : x - Step 2: Convert to fraction form
13,433,393.57/18,549,709.97 = 12,743,862.23/x - Step 3: Cross multiply
13,433,393.57x = 18,549,709.97 × 12,743,862.23 - Step 4: Simplify right side
13,433,393.57x = 236,394,948,246,792.41 - Step 5: Solve for x
x = 236,394,948,246,792.41/13,433,393.57 - Step 6: Final answer
x = 17,597,559.92
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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.