Finding the Fourth Proportional to 8,729,791.26, 12,047,717.43 and 5,292,177.18
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Solution
The fourth proportional to 8,729,791.26, 12,047,717.43 and 5,292,177.18 is: 7,303,571.57
Step by Step Solution
- Step 1: Write the proportion equation
8,729,791.26 : 12,047,717.43 = 5,292,177.18 : x - Step 2: Convert to fraction form
8,729,791.26/12,047,717.43 = 5,292,177.18/x - Step 3: Cross multiply
8,729,791.26x = 12,047,717.43 × 5,292,177.18 - Step 4: Simplify right side
8,729,791.26x = 63,758,655,254,134.24 - Step 5: Solve for x
x = 63,758,655,254,134.24/8,729,791.26 - Step 6: Final answer
x = 7,303,571.57
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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.