Finding the Fourth Proportional to 18,439,259.20, 27,658,888.80 and 16,199,771.20
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Solution
The fourth proportional to 18,439,259.20, 27,658,888.80 and 16,199,771.20 is: 24,299,656.80
Step by Step Solution
- Step 1: Write the proportion equation
18,439,259.20 : 27,658,888.80 = 16,199,771.20 : x - Step 2: Convert to fraction form
18,439,259.20/27,658,888.80 = 16,199,771.20/x - Step 3: Cross multiply
18,439,259.20x = 27,658,888.80 × 16,199,771.20 - Step 4: Simplify right side
18,439,259.20x = 448,067,670,206,242.56 - Step 5: Solve for x
x = 448,067,670,206,242.56/18,439,259.20 - Step 6: Final answer
x = 24,299,656.80
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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.