Finding the Fourth Proportional to 19,752,910.87, 27,253,760.29 and 13,559,851.75
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Solution
The fourth proportional to 19,752,910.87, 27,253,760.29 and 13,559,851.75 is: 18,708,986.82
Step by Step Solution
- Step 1: Write the proportion equation
19,752,910.87 : 27,253,760.29 = 13,559,851.75 : x - Step 2: Convert to fraction form
19,752,910.87/27,253,760.29 = 13,559,851.75/x - Step 3: Cross multiply
19,752,910.87x = 27,253,760.29 × 13,559,851.75 - Step 4: Simplify right side
19,752,910.87x = 369,556,949,162,437 - Step 5: Solve for x
x = 369,556,949,162,437/19,752,910.87 - Step 6: Final answer
x = 18,708,986.82
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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.