Finding the Fourth Proportional to 19,760,862.19, 27,269,989.82 and 10,716,894.19
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Solution
The fourth proportional to 19,760,862.19, 27,269,989.82 and 10,716,894.19 is: 14,789,313.98
Step by Step Solution
- Step 1: Write the proportion equation
19,760,862.19 : 27,269,989.82 = 10,716,894.19 : x - Step 2: Convert to fraction form
19,760,862.19/27,269,989.82 = 10,716,894.19/x - Step 3: Cross multiply
19,760,862.19x = 27,269,989.82 × 10,716,894.19 - Step 4: Simplify right side
19,760,862.19x = 292,249,595,421,934.44 - Step 5: Solve for x
x = 292,249,595,421,934.44/19,760,862.19 - Step 6: Final answer
x = 14,789,313.98
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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.