Finding the Fourth Proportional to 40,321,405.60, 60,489,981.60 and 16,056,203.20
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Solution
The fourth proportional to 40,321,405.60, 60,489,981.60 and 16,056,203.20 is: 24,087,439.95
Step by Step Solution
- Step 1: Write the proportion equation
40,321,405.60 : 60,489,981.60 = 16,056,203.20 : x - Step 2: Convert to fraction form
40,321,405.60/60,489,981.60 = 16,056,203.20/x - Step 3: Cross multiply
40,321,405.60x = 60,489,981.60 × 16,056,203.20 - Step 4: Simplify right side
40,321,405.60x = 971,239,436,133,861.12 - Step 5: Solve for x
x = 971,239,436,133,861.12/40,321,405.60 - Step 6: Final answer
x = 24,087,439.95
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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.