Finding the Fourth Proportional to 10,384,865.63, 14,331,977.49 and 5,739,557.68
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Solution
The fourth proportional to 10,384,865.63, 14,331,977.49 and 5,739,557.68 is: 7,921,066.51
Step by Step Solution
- Step 1: Write the proportion equation
10,384,865.63 : 14,331,977.49 = 5,739,557.68 : x - Step 2: Convert to fraction form
10,384,865.63/14,331,977.49 = 5,739,557.68/x - Step 3: Cross multiply
10,384,865.63x = 14,331,977.49 × 5,739,557.68 - Step 4: Simplify right side
10,384,865.63x = 82,259,211,400,656.73 - Step 5: Solve for x
x = 82,259,211,400,656.73/10,384,865.63 - Step 6: Final answer
x = 7,921,066.51
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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.