Finding the Fourth Proportional to 7,497,893.70, 11,245,674.15 and 2,106,015.30
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Solution
The fourth proportional to 7,497,893.70, 11,245,674.15 and 2,106,015.30 is: 3,158,695.33
Step by Step Solution
- Step 1: Write the proportion equation
7,497,893.70 : 11,245,674.15 = 2,106,015.30 : x - Step 2: Convert to fraction form
7,497,893.70/11,245,674.15 = 2,106,015.30/x - Step 3: Cross multiply
7,497,893.70x = 11,245,674.15 × 2,106,015.30 - Step 4: Simplify right side
7,497,893.70x = 23,683,561,818,714.49 - Step 5: Solve for x
x = 23,683,561,818,714.49/7,497,893.70 - Step 6: Final answer
x = 3,158,695.33
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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.