Finding the Fourth Proportional to 8,685,360.84, 11,984,556.62 and 5,199,864.44
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Solution
The fourth proportional to 8,685,360.84, 11,984,556.62 and 5,199,864.44 is: 7,175,069.75
Step by Step Solution
- Step 1: Write the proportion equation
8,685,360.84 : 11,984,556.62 = 5,199,864.44 : x - Step 2: Convert to fraction form
8,685,360.84/11,984,556.62 = 5,199,864.44/x - Step 3: Cross multiply
8,685,360.84x = 11,984,556.62 × 5,199,864.44 - Step 4: Simplify right side
8,685,360.84x = 62,318,069,797,504.59 - Step 5: Solve for x
x = 62,318,069,797,504.59/8,685,360.84 - Step 6: Final answer
x = 7,175,069.75
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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.