Finding the Fourth Proportional to 18,191,567.80, 27,287,351.70 and 11,734,559.65
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Solution
The fourth proportional to 18,191,567.80, 27,287,351.70 and 11,734,559.65 is: 17,601,839.48
Step by Step Solution
- Step 1: Write the proportion equation
18,191,567.80 : 27,287,351.70 = 11,734,559.65 : x - Step 2: Convert to fraction form
18,191,567.80/27,287,351.70 = 11,734,559.65/x - Step 3: Cross multiply
18,191,567.80x = 27,287,351.70 × 11,734,559.65 - Step 4: Simplify right side
18,191,567.80x = 320,205,056,214,178.94 - Step 5: Solve for x
x = 320,205,056,214,178.94/18,191,567.80 - Step 6: Final answer
x = 17,601,839.48
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1.5x scale
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.