Finding the Fourth Proportional to 26,861,742.90, 40,277,839.95 and 18,351,688.50
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Solution
The fourth proportional to 26,861,742.90, 40,277,839.95 and 18,351,688.50 is: 27,517,439.02
Step by Step Solution
- Step 1: Write the proportion equation
26,861,742.90 : 40,277,839.95 = 18,351,688.50 : x - Step 2: Convert to fraction form
26,861,742.90/40,277,839.95 = 18,351,688.50/x - Step 3: Cross multiply
26,861,742.90x = 40,277,839.95 × 18,351,688.50 - Step 4: Simplify right side
26,861,742.90x = 739,166,372,215,255.62 - Step 5: Solve for x
x = 739,166,372,215,255.62/26,861,742.90 - Step 6: Final answer
x = 27,517,439.02
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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.