Finding the Fourth Proportional to 45,861,421.80, 68,792,132.70 and 18,567,661.80
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Solution
The fourth proportional to 45,861,421.80, 68,792,132.70 and 18,567,661.80 is: 27,851,492.70
Step by Step Solution
- Step 1: Write the proportion equation
45,861,421.80 : 68,792,132.70 = 18,567,661.80 : x - Step 2: Convert to fraction form
45,861,421.80/68,792,132.70 = 18,567,661.80/x - Step 3: Cross multiply
45,861,421.80x = 68,792,132.70 × 18,567,661.80 - Step 4: Simplify right side
45,861,421.80x = 1,277,309,054,474,321 - Step 5: Solve for x
x = 1,277,309,054,474,321/45,861,421.80 - Step 6: Final answer
x = 27,851,492.70
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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.