Finding the Fourth Proportional to 13,309,842.13, 18,367,594.41 and 7,198,270.63
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Solution
The fourth proportional to 13,309,842.13, 18,367,594.41 and 7,198,270.63 is: 9,933,620.11
Step by Step Solution
- Step 1: Write the proportion equation
13,309,842.13 : 18,367,594.41 = 7,198,270.63 : x - Step 2: Convert to fraction form
13,309,842.13/18,367,594.41 = 7,198,270.63/x - Step 3: Cross multiply
13,309,842.13x = 18,367,594.41 × 7,198,270.63 - Step 4: Simplify right side
13,309,842.13x = 132,214,915,385,255.17 - Step 5: Solve for x
x = 132,214,915,385,255.17/13,309,842.13 - Step 6: Final answer
x = 9,933,620.11
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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.