Finding the Fourth Proportional to 18,952,570.92, 28,354,056.12 and 14,354,801.84
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Solution
The fourth proportional to 18,952,570.92, 28,354,056.12 and 14,354,801.84 is: 21,475,548.54
Step by Step Solution
- Step 1: Write the proportion equation
18,952,570.92 : 28,354,056.12 = 14,354,801.84 : x - Step 2: Convert to fraction form
18,952,570.92/28,354,056.12 = 14,354,801.84/x - Step 3: Cross multiply
18,952,570.92x = 28,354,056.12 × 14,354,801.84 - Step 4: Simplify right side
18,952,570.92x = 407,016,856,821,069 - Step 5: Solve for x
x = 407,016,856,821,069/18,952,570.92 - Step 6: Final answer
x = 21,475,548.54
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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.