Finding the Fourth Proportional to 19,105,623.36, 26,365,761.96 and 10,403,793.36
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Solution
The fourth proportional to 19,105,623.36, 26,365,761.96 and 10,403,793.36 is: 14,357,235.78
Step by Step Solution
- Step 1: Write the proportion equation
19,105,623.36 : 26,365,761.96 = 10,403,793.36 : x - Step 2: Convert to fraction form
19,105,623.36/26,365,761.96 = 10,403,793.36/x - Step 3: Cross multiply
19,105,623.36x = 26,365,761.96 × 10,403,793.36 - Step 4: Simplify right side
19,105,623.36x = 274,303,939,210,788.59 - Step 5: Solve for x
x = 274,303,939,210,788.59/19,105,623.36 - Step 6: Final answer
x = 14,357,235.78
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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.