Finding the Fourth Proportional to 7,824,800.36, 10,785,747.60 and 6,168,246.26
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Solution
The fourth proportional to 7,824,800.36, 10,785,747.60 and 6,168,246.26 is: 8,502,344.37
Step by Step Solution
- Step 1: Write the proportion equation
7,824,800.36 : 10,785,747.60 = 6,168,246.26 : x - Step 2: Convert to fraction form
7,824,800.36/10,785,747.60 = 6,168,246.26/x - Step 3: Cross multiply
7,824,800.36x = 10,785,747.60 × 6,168,246.26 - Step 4: Simplify right side
7,824,800.36x = 66,529,147,295,003.97 - Step 5: Solve for x
x = 66,529,147,295,003.97/7,824,800.36 - Step 6: Final answer
x = 8,502,344.37
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1.5x scale
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.