Finding the Fourth Proportional to 10,621,757.90, 15,932,612.55 and 4,552,554.26
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Solution
The fourth proportional to 10,621,757.90, 15,932,612.55 and 4,552,554.26 is: 6,828,820.97
Step by Step Solution
- Step 1: Write the proportion equation
10,621,757.90 : 15,932,612.55 = 4,552,554.26 : x - Step 2: Convert to fraction form
10,621,757.90/15,932,612.55 = 4,552,554.26/x - Step 3: Cross multiply
10,621,757.90x = 15,932,612.55 × 4,552,554.26 - Step 4: Simplify right side
10,621,757.90x = 72,534,083,137,431.97 - Step 5: Solve for x
x = 72,534,083,137,431.97/10,621,757.90 - Step 6: Final answer
x = 6,828,820.97
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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.