Finding the Fourth Proportional to 18,533,308.80, 27,777,844.80 and 7,750,588.80
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Solution
The fourth proportional to 18,533,308.80, 27,777,844.80 and 7,750,588.80 is: 11,616,633.33
Step by Step Solution
- Step 1: Write the proportion equation
18,533,308.80 : 27,777,844.80 = 7,750,588.80 : x - Step 2: Convert to fraction form
18,533,308.80/27,777,844.80 = 7,750,588.80/x - Step 3: Cross multiply
18,533,308.80x = 27,777,844.80 × 7,750,588.80 - Step 4: Simplify right side
18,533,308.80x = 215,294,652,795,018.25 - Step 5: Solve for x
x = 215,294,652,795,018.25/18,533,308.80 - Step 6: Final answer
x = 11,616,633.33
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.