Finding the Fourth Proportional to 12,193,918.80, 18,289,097.73 and 3,555,698.00
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Solution
The fourth proportional to 12,193,918.80, 18,289,097.73 and 3,555,698.00 is: 5,333,027.81
Step by Step Solution
- Step 1: Write the proportion equation
12,193,918.80 : 18,289,097.73 = 3,555,698.00 : x - Step 2: Convert to fraction form
12,193,918.80/18,289,097.73 = 3,555,698.00/x - Step 3: Cross multiply
12,193,918.80x = 18,289,097.73 × 3,555,698.00 - Step 4: Simplify right side
12,193,918.80x = 65,030,508,128,920.05 - Step 5: Solve for x
x = 65,030,508,128,920.05/12,193,918.80 - Step 6: Final answer
x = 5,333,027.81
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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.