Finding the Fourth Proportional to 7,212,815.51, 10,820,406.06 and 3,425,018.99
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Solution
The fourth proportional to 7,212,815.51, 10,820,406.06 and 3,425,018.99 is: 5,138,090.13
Step by Step Solution
- Step 1: Write the proportion equation
7,212,815.51 : 10,820,406.06 = 3,425,018.99 : x - Step 2: Convert to fraction form
7,212,815.51/10,820,406.06 = 3,425,018.99/x - Step 3: Cross multiply
7,212,815.51x = 10,820,406.06 × 3,425,018.99 - Step 4: Simplify right side
7,212,815.51x = 37,060,096,180,909.05 - Step 5: Solve for x
x = 37,060,096,180,909.05/7,212,815.51 - Step 6: Final answer
x = 5,138,090.13
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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.