Finding the Fourth Proportional to 19,007,644.74, 26,230,889.98 and 10,306,110.66
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Solution
The fourth proportional to 19,007,644.74, 26,230,889.98 and 10,306,110.66 is: 14,222,617.19
Step by Step Solution
- Step 1: Write the proportion equation
19,007,644.74 : 26,230,889.98 = 10,306,110.66 : x - Step 2: Convert to fraction form
19,007,644.74/26,230,889.98 = 10,306,110.66/x - Step 3: Cross multiply
19,007,644.74x = 26,230,889.98 × 10,306,110.66 - Step 4: Simplify right side
19,007,644.74x = 270,338,454,844,165.19 - Step 5: Solve for x
x = 270,338,454,844,165.19/19,007,644.74 - Step 6: Final answer
x = 14,222,617.19
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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.