Finding the Fourth Proportional to 19,486,271.40, 29,204,523.90 and 14,976,191.40
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Solution
The fourth proportional to 19,486,271.40, 29,204,523.90 and 14,976,191.40 is: 22,445,163.09
Step by Step Solution
- Step 1: Write the proportion equation
19,486,271.40 : 29,204,523.90 = 14,976,191.40 : x - Step 2: Convert to fraction form
19,486,271.40/29,204,523.90 = 14,976,191.40/x - Step 3: Cross multiply
19,486,271.40x = 29,204,523.90 × 14,976,191.40 - Step 4: Simplify right side
19,486,271.40x = 437,372,539,672,274.44 - Step 5: Solve for x
x = 437,372,539,672,274.44/19,486,271.40 - Step 6: Final answer
x = 22,445,163.09
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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.