Finding the Fourth Proportional to 9,929,613.88, 14,894,421.63 and 3,198,027.88
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Solution
The fourth proportional to 9,929,613.88, 14,894,421.63 and 3,198,027.88 is: 4,797,042.07
Step by Step Solution
- Step 1: Write the proportion equation
9,929,613.88 : 14,894,421.63 = 3,198,027.88 : x - Step 2: Convert to fraction form
9,929,613.88/14,894,421.63 = 3,198,027.88/x - Step 3: Cross multiply
9,929,613.88x = 14,894,421.63 × 3,198,027.88 - Step 4: Simplify right side
9,929,613.88x = 47,632,775,538,752.80 - Step 5: Solve for x
x = 47,632,775,538,752.80/9,929,613.88 - Step 6: Final answer
x = 4,797,042.07
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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.