Finding the Fourth Proportional to 8,766,259.70, 13,149,389.55 and 7,171,936.70
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Solution
The fourth proportional to 8,766,259.70, 13,149,389.55 and 7,171,936.70 is: 10,757,905.05
Step by Step Solution
- Step 1: Write the proportion equation
8,766,259.70 : 13,149,389.55 = 7,171,936.70 : x - Step 2: Convert to fraction form
8,766,259.70/13,149,389.55 = 7,171,936.70/x - Step 3: Cross multiply
8,766,259.70x = 13,149,389.55 × 7,171,936.70 - Step 4: Simplify right side
8,766,259.70x = 94,306,589,496,241.50 - Step 5: Solve for x
x = 94,306,589,496,241.50/8,766,259.70 - Step 6: Final answer
x = 10,757,905.05
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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.