Finding the Fourth Proportional to 11,260,073.90, 15,535,921.64 and 6,612,373.23
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Solution
The fourth proportional to 11,260,073.90, 15,535,921.64 and 6,612,373.23 is: 9,123,324.88
Step by Step Solution
- Step 1: Write the proportion equation
11,260,073.90 : 15,535,921.64 = 6,612,373.23 : x - Step 2: Convert to fraction form
11,260,073.90/15,535,921.64 = 6,612,373.23/x - Step 3: Cross multiply
11,260,073.90x = 15,535,921.64 × 6,612,373.23 - Step 4: Simplify right side
11,260,073.90x = 102,729,312,322,651.84 - Step 5: Solve for x
x = 102,729,312,322,651.84/11,260,073.90 - Step 6: Final answer
x = 9,123,324.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.