Finding the Fourth Proportional to 19,785,700.64, 27,304,246.17 and 11,083,934.51
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Solution
The fourth proportional to 19,785,700.64, 27,304,246.17 and 11,083,934.51 is: 15,295,818.02
Step by Step Solution
- Step 1: Write the proportion equation
19,785,700.64 : 27,304,246.17 = 11,083,934.51 : x - Step 2: Convert to fraction form
19,785,700.64/27,304,246.17 = 11,083,934.51/x - Step 3: Cross multiply
19,785,700.64x = 27,304,246.17 × 11,083,934.51 - Step 4: Simplify right side
19,785,700.64x = 302,638,476,393,198.31 - Step 5: Solve for x
x = 302,638,476,393,198.31/19,785,700.64 - Step 6: Final answer
x = 15,295,818.02
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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.