Finding the Fourth Proportional to 32,257,621.40, 48,386,432.10 and 18,072,354.20
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Solution
The fourth proportional to 32,257,621.40, 48,386,432.10 and 18,072,354.20 is: 27,108,531.30
Step by Step Solution
- Step 1: Write the proportion equation
32,257,621.40 : 48,386,432.10 = 18,072,354.20 : x - Step 2: Convert to fraction form
32,257,621.40/48,386,432.10 = 18,072,354.20/x - Step 3: Cross multiply
32,257,621.40x = 48,386,432.10 × 18,072,354.20 - Step 4: Simplify right side
32,257,621.40x = 874,456,739,385,449.75 - Step 5: Solve for x
x = 874,456,739,385,449.75/32,257,621.40 - Step 6: Final answer
x = 27,108,531.30
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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.