Finding the Fourth Proportional to 19,739,969.40, 29,609,954.10 and 15,255,463.80
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Solution
The fourth proportional to 19,739,969.40, 29,609,954.10 and 15,255,463.80 is: 22,883,195.70
Step by Step Solution
- Step 1: Write the proportion equation
19,739,969.40 : 29,609,954.10 = 15,255,463.80 : x - Step 2: Convert to fraction form
19,739,969.40/29,609,954.10 = 15,255,463.80/x - Step 3: Cross multiply
19,739,969.40x = 29,609,954.10 × 15,255,463.80 - Step 4: Simplify right side
19,739,969.40x = 451,713,582,892,211.62 - Step 5: Solve for x
x = 451,713,582,892,211.62/19,739,969.40 - Step 6: Final answer
x = 22,883,195.70
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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.