Finding the Fourth Proportional to 11,085,744.84, 15,298,166.40 and 6,190,915.14
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Solution
The fourth proportional to 11,085,744.84, 15,298,166.40 and 6,190,915.14 is: 8,543,372.71
Step by Step Solution
- Step 1: Write the proportion equation
11,085,744.84 : 15,298,166.40 = 6,190,915.14 : x - Step 2: Convert to fraction form
11,085,744.84/15,298,166.40 = 6,190,915.14/x - Step 3: Cross multiply
11,085,744.84x = 15,298,166.40 × 6,190,915.14 - Step 4: Simplify right side
11,085,744.84x = 94,709,649,979,999.30 - Step 5: Solve for x
x = 94,709,649,979,999.30/11,085,744.84 - Step 6: Final answer
x = 8,543,372.71
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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.