Finding the Fourth Proportional to 10,310,192.80, 15,461,352.60 and 3,119,336.80
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Solution
The fourth proportional to 10,310,192.80, 15,461,352.60 and 3,119,336.80 is: 4,677,814.19
Step by Step Solution
- Step 1: Write the proportion equation
10,310,192.80 : 15,461,352.60 = 3,119,336.80 : x - Step 2: Convert to fraction form
10,310,192.80/15,461,352.60 = 3,119,336.80/x - Step 3: Cross multiply
10,310,192.80x = 15,461,352.60 × 3,119,336.80 - Step 4: Simplify right side
10,310,192.80x = 48,229,166,142,955.68 - Step 5: Solve for x
x = 48,229,166,142,955.68/10,310,192.80 - Step 6: Final answer
x = 4,677,814.19
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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.