Finding the Fourth Proportional to 9,361,515.90, 14,052,771.45 and 7,241,000.70
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Solution
The fourth proportional to 9,361,515.90, 14,052,771.45 and 7,241,000.70 is: 10,869,620.80
Step by Step Solution
- Step 1: Write the proportion equation
9,361,515.90 : 14,052,771.45 = 7,241,000.70 : x - Step 2: Convert to fraction form
9,361,515.90/14,052,771.45 = 7,241,000.70/x - Step 3: Cross multiply
9,361,515.90x = 14,052,771.45 × 7,241,000.70 - Step 4: Simplify right side
9,361,515.90x = 101,756,127,906,390.02 - Step 5: Solve for x
x = 101,756,127,906,390.02/9,361,515.90 - Step 6: Final answer
x = 10,869,620.80
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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.