Finding the Fourth Proportional to 7,610,996.20, 11,418,173.58 and 2,220,068.44
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Solution
The fourth proportional to 7,610,996.20, 11,418,173.58 and 2,220,068.44 is: 3,330,592.49
Step by Step Solution
- Step 1: Write the proportion equation
7,610,996.20 : 11,418,173.58 = 2,220,068.44 : x - Step 2: Convert to fraction form
7,610,996.20/11,418,173.58 = 2,220,068.44/x - Step 3: Cross multiply
7,610,996.20x = 11,418,173.58 × 2,220,068.44 - Step 4: Simplify right side
7,610,996.20x = 25,349,126,807,399.82 - Step 5: Solve for x
x = 25,349,126,807,399.82/7,610,996.20 - Step 6: Final answer
x = 3,330,592.49
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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.