Finding the Fourth Proportional to 7,440,617.70, 11,160,934.65 and 2,952,893.70
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Solution
The fourth proportional to 7,440,617.70, 11,160,934.65 and 2,952,893.70 is: 4,429,343.76
Step by Step Solution
- Step 1: Write the proportion equation
7,440,617.70 : 11,160,934.65 = 2,952,893.70 : x - Step 2: Convert to fraction form
7,440,617.70/11,160,934.65 = 2,952,893.70/x - Step 3: Cross multiply
7,440,617.70x = 11,160,934.65 × 2,952,893.70 - Step 4: Simplify right side
7,440,617.70x = 32,957,053,614,096.71 - Step 5: Solve for x
x = 32,957,053,614,096.71/7,440,617.70 - Step 6: Final answer
x = 4,429,343.76
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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.