Finding the Fourth Proportional to 28,912,171.62, 39,898,420.38 and 16,522,124.08
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Solution
The fourth proportional to 28,912,171.62, 39,898,420.38 and 16,522,124.08 is: 22,800,316.10
Step by Step Solution
- Step 1: Write the proportion equation
28,912,171.62 : 39,898,420.38 = 16,522,124.08 : x - Step 2: Convert to fraction form
28,912,171.62/39,898,420.38 = 16,522,124.08/x - Step 3: Cross multiply
28,912,171.62x = 39,898,420.38 × 16,522,124.08 - Step 4: Simplify right side
28,912,171.62x = 659,206,652,114,360.75 - Step 5: Solve for x
x = 659,206,652,114,360.75/28,912,171.62 - Step 6: Final answer
x = 22,800,316.10
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.