Finding the Fourth Proportional to 7,522,531.68, 10,380,825.36 and 4,084,701.60
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Solution
The fourth proportional to 7,522,531.68, 10,380,825.36 and 4,084,701.60 is: 5,636,742.49
Step by Step Solution
- Step 1: Write the proportion equation
7,522,531.68 : 10,380,825.36 = 4,084,701.60 : x - Step 2: Convert to fraction form
7,522,531.68/10,380,825.36 = 4,084,701.60/x - Step 3: Cross multiply
7,522,531.68x = 10,380,825.36 × 4,084,701.60 - Step 4: Simplify right side
7,522,531.68x = 42,402,573,957,312.58 - Step 5: Solve for x
x = 42,402,573,957,312.58/7,522,531.68 - Step 6: Final answer
x = 5,636,742.49
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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.