Finding the Fourth Proportional to 18,506,499.18, 27,765,556.07 and 11,129,037.81
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Solution
The fourth proportional to 18,506,499.18, 27,765,556.07 and 11,129,037.81 is: 16,697,048.98
Step by Step Solution
- Step 1: Write the proportion equation
18,506,499.18 : 27,765,556.07 = 11,129,037.81 : x - Step 2: Convert to fraction form
18,506,499.18/27,765,556.07 = 11,129,037.81/x - Step 3: Cross multiply
18,506,499.18x = 27,765,556.07 × 11,129,037.81 - Step 4: Simplify right side
18,506,499.18x = 309,003,923,263,059.88 - Step 5: Solve for x
x = 309,003,923,263,059.88/18,506,499.18 - Step 6: Final answer
x = 16,697,048.98
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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.