Finding the Fourth Proportional to 18,149,680.80, 27,224,521.20 and 16,470,064.80
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Solution
The fourth proportional to 18,149,680.80, 27,224,521.20 and 16,470,064.80 is: 24,705,097.20
Step by Step Solution
- Step 1: Write the proportion equation
18,149,680.80 : 27,224,521.20 = 16,470,064.80 : x - Step 2: Convert to fraction form
18,149,680.80/27,224,521.20 = 16,470,064.80/x - Step 3: Cross multiply
18,149,680.80x = 27,224,521.20 × 16,470,064.80 - Step 4: Simplify right side
18,149,680.80x = 448,389,628,312,973.75 - Step 5: Solve for x
x = 448,389,628,312,973.75/18,149,680.80 - Step 6: Final answer
x = 24,705,097.20
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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.