Finding the Fourth Proportional to 10,367,996.20, 15,551,994.30 and 6,336,917.80
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Solution
The fourth proportional to 10,367,996.20, 15,551,994.30 and 6,336,917.80 is: 9,505,376.70
Step by Step Solution
- Step 1: Write the proportion equation
10,367,996.20 : 15,551,994.30 = 6,336,917.80 : x - Step 2: Convert to fraction form
10,367,996.20/15,551,994.30 = 6,336,917.80/x - Step 3: Cross multiply
10,367,996.20x = 15,551,994.30 × 6,336,917.80 - Step 4: Simplify right side
10,367,996.20x = 98,551,709,505,168.55 - Step 5: Solve for x
x = 98,551,709,505,168.55/10,367,996.20 - Step 6: Final answer
x = 9,505,376.70
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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.