Finding the Fourth Proportional to 19,543,611.60, 29,334,079.80 and 16,706,926.80
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Solution
The fourth proportional to 19,543,611.60, 29,334,079.80 and 16,706,926.80 is: 25,076,343.82
Step by Step Solution
- Step 1: Write the proportion equation
19,543,611.60 : 29,334,079.80 = 16,706,926.80 : x - Step 2: Convert to fraction form
19,543,611.60/29,334,079.80 = 16,706,926.80/x - Step 3: Cross multiply
19,543,611.60x = 29,334,079.80 × 16,706,926.80 - Step 4: Simplify right side
19,543,611.60x = 490,082,323,963,958.69 - Step 5: Solve for x
x = 490,082,323,963,958.69/19,543,611.60 - Step 6: Final answer
x = 25,076,343.82
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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.