Finding the Fourth Proportional to 38,532,449.48, 57,758,214.30 and 12,964,582.44
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Solution
The fourth proportional to 38,532,449.48, 57,758,214.30 and 12,964,582.44 is: 19,433,260.56
Step by Step Solution
- Step 1: Write the proportion equation
38,532,449.48 : 57,758,214.30 = 12,964,582.44 : x - Step 2: Convert to fraction form
38,532,449.48/57,758,214.30 = 12,964,582.44/x - Step 3: Cross multiply
38,532,449.48x = 57,758,214.30 × 12,964,582.44 - Step 4: Simplify right side
38,532,449.48x = 748,811,130,879,536.88 - Step 5: Solve for x
x = 748,811,130,879,536.88/38,532,449.48 - Step 6: Final answer
x = 19,433,260.56
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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.