Finding the Fourth Proportional to 18,882,816.16, 28,324,130.76 and 16,316,220.84
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Solution
The fourth proportional to 18,882,816.16, 28,324,130.76 and 16,316,220.84 is: 24,474,250.49
Step by Step Solution
- Step 1: Write the proportion equation
18,882,816.16 : 28,324,130.76 = 16,316,220.84 : x - Step 2: Convert to fraction form
18,882,816.16/28,324,130.76 = 16,316,220.84/x - Step 3: Cross multiply
18,882,816.16x = 28,324,130.76 × 16,316,220.84 - Step 4: Simplify right side
18,882,816.16x = 462,142,772,581,197.06 - Step 5: Solve for x
x = 462,142,772,581,197.06/18,882,816.16 - Step 6: Final answer
x = 24,474,250.49
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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.