Finding the Fourth Proportional to 9,019,770.80, 13,528,215.99 and 2,628,528.17
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Solution
The fourth proportional to 9,019,770.80, 13,528,215.99 and 2,628,528.17 is: 3,942,372.55
Step by Step Solution
- Step 1: Write the proportion equation
9,019,770.80 : 13,528,215.99 = 2,628,528.17 : x - Step 2: Convert to fraction form
9,019,770.80/13,528,215.99 = 2,628,528.17/x - Step 3: Cross multiply
9,019,770.80x = 13,528,215.99 × 2,628,528.17 - Step 4: Simplify right side
9,019,770.80x = 35,559,296,853,379.98 - Step 5: Solve for x
x = 35,559,296,853,379.98/9,019,770.80 - Step 6: Final answer
x = 3,942,372.55
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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.