Finding the Fourth Proportional to 18,887,907.75, 26,065,312.70 and 10,739,145.75
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Solution
The fourth proportional to 18,887,907.75, 26,065,312.70 and 10,739,145.75 is: 14,820,021.14
Step by Step Solution
- Step 1: Write the proportion equation
18,887,907.75 : 26,065,312.70 = 10,739,145.75 : x - Step 2: Convert to fraction form
18,887,907.75/26,065,312.70 = 10,739,145.75/x - Step 3: Cross multiply
18,887,907.75x = 26,065,312.70 × 10,739,145.75 - Step 4: Simplify right side
18,887,907.75x = 279,919,192,050,930.31 - Step 5: Solve for x
x = 279,919,192,050,930.31/18,887,907.75 - Step 6: Final answer
x = 14,820,021.14
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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.