Finding the Fourth Proportional to 11,817,350.78, 17,702,887.70 and 10,532,007.14
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Solution
The fourth proportional to 11,817,350.78, 17,702,887.70 and 10,532,007.14 is: 15,777,388.95
Step by Step Solution
- Step 1: Write the proportion equation
11,817,350.78 : 17,702,887.70 = 10,532,007.14 : x - Step 2: Convert to fraction form
11,817,350.78/17,702,887.70 = 10,532,007.14/x - Step 3: Cross multiply
11,817,350.78x = 17,702,887.70 × 10,532,007.14 - Step 4: Simplify right side
11,817,350.78x = 186,446,939,655,018.19 - Step 5: Solve for x
x = 186,446,939,655,018.19/11,817,350.78 - Step 6: Final answer
x = 15,777,388.95
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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.