Finding the Fourth Proportional to 14,367,608.20, 21,551,412.30 and 13,800,737.80
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Solution
The fourth proportional to 14,367,608.20, 21,551,412.30 and 13,800,737.80 is: 20,701,106.70
Step by Step Solution
- Step 1: Write the proportion equation
14,367,608.20 : 21,551,412.30 = 13,800,737.80 : x - Step 2: Convert to fraction form
14,367,608.20/21,551,412.30 = 13,800,737.80/x - Step 3: Cross multiply
14,367,608.20x = 21,551,412.30 × 13,800,737.80 - Step 4: Simplify right side
14,367,608.20x = 297,425,390,371,994.94 - Step 5: Solve for x
x = 297,425,390,371,994.94/14,367,608.20 - Step 6: Final answer
x = 20,701,106.70
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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.