Finding the Fourth Proportional to 32,383,931.70, 48,575,897.55 and 8,449,403.70
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Solution
The fourth proportional to 32,383,931.70, 48,575,897.55 and 8,449,403.70 is: 12,674,105.55
Step by Step Solution
- Step 1: Write the proportion equation
32,383,931.70 : 48,575,897.55 = 8,449,403.70 : x - Step 2: Convert to fraction form
32,383,931.70/48,575,897.55 = 8,449,403.70/x - Step 3: Cross multiply
32,383,931.70x = 48,575,897.55 × 8,449,403.70 - Step 4: Simplify right side
32,383,931.70x = 410,437,368,489,790.88 - Step 5: Solve for x
x = 410,437,368,489,790.88/32,383,931.70 - Step 6: Final answer
x = 12,674,105.55
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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.