Finding the Fourth Proportional to 19,073,748.07, 26,320,971.09 and 10,814,365.99
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Solution
The fourth proportional to 19,073,748.07, 26,320,971.09 and 10,814,365.99 is: 14,923,370.78
Step by Step Solution
- Step 1: Write the proportion equation
19,073,748.07 : 26,320,971.09 = 10,814,365.99 : x - Step 2: Convert to fraction form
19,073,748.07/26,320,971.09 = 10,814,365.99/x - Step 3: Cross multiply
19,073,748.07x = 26,320,971.09 × 10,814,365.99 - Step 4: Simplify right side
19,073,748.07x = 284,644,614,579,469.25 - Step 5: Solve for x
x = 284,644,614,579,469.25/19,073,748.07 - Step 6: Final answer
x = 14,923,370.78
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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.