Finding the Fourth Proportional to 28,083,621.70, 42,125,432.55 and 24,894,975.70
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Solution
The fourth proportional to 28,083,621.70, 42,125,432.55 and 24,894,975.70 is: 37,342,463.55
Step by Step Solution
- Step 1: Write the proportion equation
28,083,621.70 : 42,125,432.55 = 24,894,975.70 : x - Step 2: Convert to fraction form
28,083,621.70/42,125,432.55 = 24,894,975.70/x - Step 3: Cross multiply
28,083,621.70x = 42,125,432.55 × 24,894,975.70 - Step 4: Simplify right side
28,083,621.70x = 1,048,711,619,684,238.88 - Step 5: Solve for x
x = 1,048,711,619,684,238.88/28,083,621.70 - Step 6: Final answer
x = 37,342,463.55
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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.