Finding the Fourth Proportional to 19,563,300.10, 26,996,299.98 and 10,860,912.70
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Solution
The fourth proportional to 19,563,300.10, 26,996,299.98 and 10,860,912.70 is: 14,987,474.29
Step by Step Solution
- Step 1: Write the proportion equation
19,563,300.10 : 26,996,299.98 = 10,860,912.70 : x - Step 2: Convert to fraction form
19,563,300.10/26,996,299.98 = 10,860,912.70/x - Step 3: Cross multiply
19,563,300.10x = 26,996,299.98 × 10,860,912.70 - Step 4: Simplify right side
19,563,300.10x = 293,204,457,305,791.75 - Step 5: Solve for x
x = 293,204,457,305,791.75/19,563,300.10 - Step 6: Final answer
x = 14,987,474.29
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.