Finding the Fourth Proportional to 16,519,025.80, 24,778,538.70 and 12,267,497.80
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Solution
The fourth proportional to 16,519,025.80, 24,778,538.70 and 12,267,497.80 is: 18,401,246.70
Step by Step Solution
- Step 1: Write the proportion equation
16,519,025.80 : 24,778,538.70 = 12,267,497.80 : x - Step 2: Convert to fraction form
16,519,025.80/24,778,538.70 = 12,267,497.80/x - Step 3: Cross multiply
16,519,025.80x = 24,778,538.70 × 12,267,497.80 - Step 4: Simplify right side
16,519,025.80x = 303,970,668,989,464.88 - Step 5: Solve for x
x = 303,970,668,989,464.88/16,519,025.80 - Step 6: Final answer
x = 18,401,246.70
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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.