Finding the Fourth Proportional to 7,104,756.80, 10,657,135.20 and 6,283,611.20
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Solution
The fourth proportional to 7,104,756.80, 10,657,135.20 and 6,283,611.20 is: 9,425,416.80
Step by Step Solution
- Step 1: Write the proportion equation
7,104,756.80 : 10,657,135.20 = 6,283,611.20 : x - Step 2: Convert to fraction form
7,104,756.80/10,657,135.20 = 6,283,611.20/x - Step 3: Cross multiply
7,104,756.80x = 10,657,135.20 × 6,283,611.20 - Step 4: Simplify right side
7,104,756.80x = 66,965,294,102,634.23 - Step 5: Solve for x
x = 66,965,294,102,634.23/7,104,756.80 - Step 6: Final answer
x = 9,425,416.80
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Similar ratio
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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.