Finding the Fourth Proportional to 19,543,616.60, 29,334,087.30 and 16,706,931.80
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Solution
The fourth proportional to 19,543,616.60, 29,334,087.30 and 16,706,931.80 is: 25,076,351.32
Step by Step Solution
- Step 1: Write the proportion equation
19,543,616.60 : 29,334,087.30 = 16,706,931.80 : x - Step 2: Convert to fraction form
19,543,616.60/29,334,087.30 = 16,706,931.80/x - Step 3: Cross multiply
19,543,616.60x = 29,334,087.30 × 16,706,931.80 - Step 4: Simplify right side
19,543,616.60x = 490,082,595,936,346.19 - Step 5: Solve for x
x = 490,082,595,936,346.19/19,543,616.60 - Step 6: Final answer
x = 25,076,351.32
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.