Finding the Fourth Proportional to 38,625,403.20, 57,938,104.80 and 14,687,764.80
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Solution
The fourth proportional to 38,625,403.20, 57,938,104.80 and 14,687,764.80 is: 22,031,647.20
Step by Step Solution
- Step 1: Write the proportion equation
38,625,403.20 : 57,938,104.80 = 14,687,764.80 : x - Step 2: Convert to fraction form
38,625,403.20/57,938,104.80 = 14,687,764.80/x - Step 3: Cross multiply
38,625,403.20x = 57,938,104.80 × 14,687,764.80 - Step 4: Simplify right side
38,625,403.20x = 850,981,256,260,151 - Step 5: Solve for x
x = 850,981,256,260,151/38,625,403.20 - Step 6: Final answer
x = 22,031,647.20
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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.