Finding the Fourth Proportional to 11,791,474.20, 17,685,232.74 and 3,272,676.12
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Solution
The fourth proportional to 11,791,474.20, 17,685,232.74 and 3,272,676.12 is: 4,908,465.04
Step by Step Solution
- Step 1: Write the proportion equation
11,791,474.20 : 17,685,232.74 = 3,272,676.12 : x - Step 2: Convert to fraction form
11,791,474.20/17,685,232.74 = 3,272,676.12/x - Step 3: Cross multiply
11,791,474.20x = 17,685,232.74 × 3,272,676.12 - Step 4: Simplify right side
11,791,474.20x = 57,878,038,864,840.16 - Step 5: Solve for x
x = 57,878,038,864,840.16/11,791,474.20 - Step 6: Final answer
x = 4,908,465.04
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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.