Finding the Fourth Proportional to 19,614,791.64, 27,067,731.30 and 10,793,417.70
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Solution
The fourth proportional to 19,614,791.64, 27,067,731.30 and 10,793,417.70 is: 14,894,541.60
Step by Step Solution
- Step 1: Write the proportion equation
19,614,791.64 : 27,067,731.30 = 10,793,417.70 : x - Step 2: Convert to fraction form
19,614,791.64/27,067,731.30 = 10,793,417.70/x - Step 3: Cross multiply
19,614,791.64x = 27,067,731.30 × 10,793,417.70 - Step 4: Simplify right side
19,614,791.64x = 292,153,330,112,264 - Step 5: Solve for x
x = 292,153,330,112,264/19,614,791.64 - Step 6: Final answer
x = 14,894,541.60
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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.