Finding the Fourth Proportional to 19,440,097.80, 29,160,146.70 and 13,015,566.60
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Solution
The fourth proportional to 19,440,097.80, 29,160,146.70 and 13,015,566.60 is: 19,523,349.90
Step by Step Solution
- Step 1: Write the proportion equation
19,440,097.80 : 29,160,146.70 = 13,015,566.60 : x - Step 2: Convert to fraction form
19,440,097.80/29,160,146.70 = 13,015,566.60/x - Step 3: Cross multiply
19,440,097.80x = 29,160,146.70 × 13,015,566.60 - Step 4: Simplify right side
19,440,097.80x = 379,535,831,439,620.19 - Step 5: Solve for x
x = 379,535,831,439,620.19/19,440,097.80 - Step 6: Final answer
x = 19,523,349.90
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1.5x scale
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.