Finding the Fourth Proportional to 13,416,023.07, 18,525,619.24 and 12,982,192.88
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Solution
The fourth proportional to 13,416,023.07, 18,525,619.24 and 12,982,192.88 is: 17,926,561.46
Step by Step Solution
- Step 1: Write the proportion equation
13,416,023.07 : 18,525,619.24 = 12,982,192.88 : x - Step 2: Convert to fraction form
13,416,023.07/18,525,619.24 = 12,982,192.88/x - Step 3: Cross multiply
13,416,023.07x = 18,525,619.24 × 12,982,192.88 - Step 4: Simplify right side
13,416,023.07x = 240,503,162,070,035.44 - Step 5: Solve for x
x = 240,503,162,070,035.44/13,416,023.07 - Step 6: Final answer
x = 17,926,561.46
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1.5x scale
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.