Finding the Fourth Proportional to 8,254,368.60, 12,381,552.90 and 2,574,583.80
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Solution
The fourth proportional to 8,254,368.60, 12,381,552.90 and 2,574,583.80 is: 3,861,875.70
Step by Step Solution
- Step 1: Write the proportion equation
8,254,368.60 : 12,381,552.90 = 2,574,583.80 : x - Step 2: Convert to fraction form
8,254,368.60/12,381,552.90 = 2,574,583.80/x - Step 3: Cross multiply
8,254,368.60x = 12,381,552.90 × 2,574,583.80 - Step 4: Simplify right side
8,254,368.60x = 31,877,345,515,183.02 - Step 5: Solve for x
x = 31,877,345,515,183.02/8,254,368.60 - Step 6: Final answer
x = 3,861,875.70
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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.