Finding the Fourth Proportional to 7,873,516.36, 11,810,274.67 and 1,889,884.36
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Solution
The fourth proportional to 7,873,516.36, 11,810,274.67 and 1,889,884.36 is: 2,834,826.57
Step by Step Solution
- Step 1: Write the proportion equation
7,873,516.36 : 11,810,274.67 = 1,889,884.36 : x - Step 2: Convert to fraction form
7,873,516.36/11,810,274.67 = 1,889,884.36/x - Step 3: Cross multiply
7,873,516.36x = 11,810,274.67 × 1,889,884.36 - Step 4: Simplify right side
7,873,516.36x = 22,320,053,327,085.79 - Step 5: Solve for x
x = 22,320,053,327,085.79/7,873,516.36 - Step 6: Final answer
x = 2,834,826.57
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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.