Finding the Fourth Proportional to 19,716,107.16, 27,347,424.47 and 19,191,752.04
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Solution
The fourth proportional to 19,716,107.16, 27,347,424.47 and 19,191,752.04 is: 26,620,112.43
Step by Step Solution
- Step 1: Write the proportion equation
19,716,107.16 : 27,347,424.47 = 19,191,752.04 : x - Step 2: Convert to fraction form
19,716,107.16/27,347,424.47 = 19,191,752.04/x - Step 3: Cross multiply
19,716,107.16x = 27,347,424.47 × 19,191,752.04 - Step 4: Simplify right side
19,716,107.16x = 524,844,989,264,909.62 - Step 5: Solve for x
x = 524,844,989,264,909.62/19,716,107.16 - Step 6: Final answer
x = 26,620,112.43
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Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.