Finding the Fourth Proportional to 19,959,246.11, 27,518,791.69 and 16,656,307.49
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Solution
The fourth proportional to 19,959,246.11, 27,518,791.69 and 16,656,307.49 is: 22,964,868.19
Step by Step Solution
- Step 1: Write the proportion equation
19,959,246.11 : 27,518,791.69 = 16,656,307.49 : x - Step 2: Convert to fraction form
19,959,246.11/27,518,791.69 = 16,656,307.49/x - Step 3: Cross multiply
19,959,246.11x = 27,518,791.69 × 16,656,307.49 - Step 4: Simplify right side
19,959,246.11x = 458,361,456,141,896.81 - Step 5: Solve for x
x = 458,361,456,141,896.81/19,959,246.11 - Step 6: Final answer
x = 22,964,868.19
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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.