Finding the Fourth Proportional to 18,356,419.37, 27,537,765.96 and 7,567,822.62
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Solution
The fourth proportional to 18,356,419.37, 27,537,765.96 and 7,567,822.62 is: 11,353,027.19
Step by Step Solution
- Step 1: Write the proportion equation
18,356,419.37 : 27,537,765.96 = 7,567,822.62 : x - Step 2: Convert to fraction form
18,356,419.37/27,537,765.96 = 7,567,822.62/x - Step 3: Cross multiply
18,356,419.37x = 27,537,765.96 × 7,567,822.62 - Step 4: Simplify right side
18,356,419.37x = 208,400,928,136,354.03 - Step 5: Solve for x
x = 208,400,928,136,354.03/18,356,419.37 - Step 6: Final answer
x = 11,353,027.19
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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.