Finding the Fourth Proportional to 18,363,651.40, 27,545,477.10 and 16,726,025.80
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Solution
The fourth proportional to 18,363,651.40, 27,545,477.10 and 16,726,025.80 is: 25,089,038.70
Step by Step Solution
- Step 1: Write the proportion equation
18,363,651.40 : 27,545,477.10 = 16,726,025.80 : x - Step 2: Convert to fraction form
18,363,651.40/27,545,477.10 = 16,726,025.80/x - Step 3: Cross multiply
18,363,651.40x = 27,545,477.10 × 16,726,025.80 - Step 4: Simplify right side
18,363,651.40x = 460,726,360,647,909.25 - Step 5: Solve for x
x = 460,726,360,647,909.25/18,363,651.40 - Step 6: Final answer
x = 25,089,038.70
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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.