Finding the Fourth Proportional to 16,381,248.60, 24,571,872.90 and 8,319,091.80
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Solution
The fourth proportional to 16,381,248.60, 24,571,872.90 and 8,319,091.80 is: 12,478,637.70
Step by Step Solution
- Step 1: Write the proportion equation
16,381,248.60 : 24,571,872.90 = 8,319,091.80 : x - Step 2: Convert to fraction form
16,381,248.60/24,571,872.90 = 8,319,091.80/x - Step 3: Cross multiply
16,381,248.60x = 24,571,872.90 × 8,319,091.80 - Step 4: Simplify right side
16,381,248.60x = 204,415,666,353,032.19 - Step 5: Solve for x
x = 204,415,666,353,032.19/16,381,248.60 - Step 6: Final answer
x = 12,478,637.70
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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.