Finding the Fourth Proportional to 21,274,915.08, 31,907,707.02 and 6,125,556.36
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Solution
The fourth proportional to 21,274,915.08, 31,907,707.02 and 6,125,556.36 is: 9,186,991.20
Step by Step Solution
- Step 1: Write the proportion equation
21,274,915.08 : 31,907,707.02 = 6,125,556.36 : x - Step 2: Convert to fraction form
21,274,915.08/31,907,707.02 = 6,125,556.36/x - Step 3: Cross multiply
21,274,915.08x = 31,907,707.02 × 6,125,556.36 - Step 4: Simplify right side
21,274,915.08x = 195,452,457,669,377.66 - Step 5: Solve for x
x = 195,452,457,669,377.66/21,274,915.08 - Step 6: Final answer
x = 9,186,991.20
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.