Finding the Fourth Proportional to 7,878,008.26, 10,871,640.87 and 4,256,336.26
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Solution
The fourth proportional to 7,878,008.26, 10,871,640.87 and 4,256,336.26 is: 5,873,738.35
Step by Step Solution
- Step 1: Write the proportion equation
7,878,008.26 : 10,871,640.87 = 4,256,336.26 : x - Step 2: Convert to fraction form
7,878,008.26/10,871,640.87 = 4,256,336.26/x - Step 3: Cross multiply
7,878,008.26x = 10,871,640.87 × 4,256,336.26 - Step 4: Simplify right side
7,878,008.26x = 46,273,359,186,320.73 - Step 5: Solve for x
x = 46,273,359,186,320.73/7,878,008.26 - Step 6: Final answer
x = 5,873,738.35
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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.