Finding the Fourth Proportional to 7,623,907.68, 11,432,504.46 and 3,581,544.36
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Solution
The fourth proportional to 7,623,907.68, 11,432,504.46 and 3,581,544.36 is: 5,370,739.47
Step by Step Solution
- Step 1: Write the proportion equation
7,623,907.68 : 11,432,504.46 = 3,581,544.36 : x - Step 2: Convert to fraction form
7,623,907.68/11,432,504.46 = 3,581,544.36/x - Step 3: Cross multiply
7,623,907.68x = 11,432,504.46 × 3,581,544.36 - Step 4: Simplify right side
7,623,907.68x = 40,946,021,869,387.84 - Step 5: Solve for x
x = 40,946,021,869,387.84/7,623,907.68 - Step 6: Final answer
x = 5,370,739.47
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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.