Finding the Fourth Proportional to 11,581,667.37, 15,982,719.81 and 6,425,029.08
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Solution
The fourth proportional to 11,581,667.37, 15,982,719.81 and 6,425,029.08 is: 8,866,550.58
Step by Step Solution
- Step 1: Write the proportion equation
11,581,667.37 : 15,982,719.81 = 6,425,029.08 : x - Step 2: Convert to fraction form
11,581,667.37/15,982,719.81 = 6,425,029.08/x - Step 3: Cross multiply
11,581,667.37x = 15,982,719.81 × 6,425,029.08 - Step 4: Simplify right side
11,581,667.37x = 102,689,439,556,742.08 - Step 5: Solve for x
x = 102,689,439,556,742.08/11,581,667.37 - Step 6: Final answer
x = 8,866,550.58
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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.