Finding the Fourth Proportional to 19,546,650.80, 29,382,961.80 and 13,905,940.40
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Solution
The fourth proportional to 19,546,650.80, 29,382,961.80 and 13,905,940.40 is: 20,903,720.02
Step by Step Solution
- Step 1: Write the proportion equation
19,546,650.80 : 29,382,961.80 = 13,905,940.40 : x - Step 2: Convert to fraction form
19,546,650.80/29,382,961.80 = 13,905,940.40/x - Step 3: Cross multiply
19,546,650.80x = 29,382,961.80 × 13,905,940.40 - Step 4: Simplify right side
19,546,650.80x = 408,597,715,566,276.75 - Step 5: Solve for x
x = 408,597,715,566,276.75/19,546,650.80 - Step 6: Final answer
x = 20,903,720.02
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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.