Finding the Fourth Proportional to 13,292,285.11, 19,936,655.89 and 3,706,860.94
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Solution
The fourth proportional to 13,292,285.11, 19,936,655.89 and 3,706,860.94 is: 5,559,797.31
Step by Step Solution
- Step 1: Write the proportion equation
13,292,285.11 : 19,936,655.89 = 3,706,860.94 : x - Step 2: Convert to fraction form
13,292,285.11/19,936,655.89 = 3,706,860.94/x - Step 3: Cross multiply
13,292,285.11x = 19,936,655.89 × 3,706,860.94 - Step 4: Simplify right side
13,292,285.11x = 73,902,410,992,861.94 - Step 5: Solve for x
x = 73,902,410,992,861.94/13,292,285.11 - Step 6: Final answer
x = 5,559,797.31
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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.