Finding the Fourth Proportional to 32,180,432.20, 48,272,981.10 and 19,373,360.20
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Solution
The fourth proportional to 32,180,432.20, 48,272,981.10 and 19,373,360.20 is: 29,061,444.70
Step by Step Solution
- Step 1: Write the proportion equation
32,180,432.20 : 48,272,981.10 = 19,373,360.20 : x - Step 2: Convert to fraction form
32,180,432.20/48,272,981.10 = 19,373,360.20/x - Step 3: Cross multiply
32,180,432.20x = 48,272,981.10 × 19,373,360.20 - Step 4: Simplify right side
32,180,432.20x = 935,209,850,778,092.25 - Step 5: Solve for x
x = 935,209,850,778,092.25/32,180,432.20 - Step 6: Final answer
x = 29,061,444.70
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1.5x scale
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.