Finding the Fourth Proportional to 17,943,049.70, 26,920,795.35 and 7,852,912.10
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Solution
The fourth proportional to 17,943,049.70, 26,920,795.35 and 7,852,912.10 is: 11,782,090.73
Step by Step Solution
- Step 1: Write the proportion equation
17,943,049.70 : 26,920,795.35 = 7,852,912.10 : x - Step 2: Convert to fraction form
17,943,049.70/26,920,795.35 = 7,852,912.10/x - Step 3: Cross multiply
17,943,049.70x = 26,920,795.35 × 7,852,912.10 - Step 4: Simplify right side
17,943,049.70x = 211,406,639,545,638.75 - Step 5: Solve for x
x = 211,406,639,545,638.75/17,943,049.70 - Step 6: Final answer
x = 11,782,090.73
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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.