Finding the Fourth Proportional to 14,739,634.80, 22,109,452.20 and 13,416,937.20
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Solution
The fourth proportional to 14,739,634.80, 22,109,452.20 and 13,416,937.20 is: 20,125,405.80
Step by Step Solution
- Step 1: Write the proportion equation
14,739,634.80 : 22,109,452.20 = 13,416,937.20 : x - Step 2: Convert to fraction form
14,739,634.80/22,109,452.20 = 13,416,937.20/x - Step 3: Cross multiply
14,739,634.80x = 22,109,452.20 × 13,416,937.20 - Step 4: Simplify right side
14,739,634.80x = 296,641,131,693,801.81 - Step 5: Solve for x
x = 296,641,131,693,801.81/14,739,634.80 - Step 6: Final answer
x = 20,125,405.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.