Finding the Fourth Proportional to 10,393,451.64, 14,342,982.18 and 5,809,770.20
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Solution
The fourth proportional to 10,393,451.64, 14,342,982.18 and 5,809,770.20 is: 8,017,493.45
Step by Step Solution
- Step 1: Write the proportion equation
10,393,451.64 : 14,342,982.18 = 5,809,770.20 : x - Step 2: Convert to fraction form
10,393,451.64/14,342,982.18 = 5,809,770.20/x - Step 3: Cross multiply
10,393,451.64x = 14,342,982.18 × 5,809,770.20 - Step 4: Simplify right side
10,393,451.64x = 83,329,430,448,495.03 - Step 5: Solve for x
x = 83,329,430,448,495.03/10,393,451.64 - Step 6: Final answer
x = 8,017,493.45
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.