Finding the Fourth Proportional to 21,421,944.08, 32,132,846.05 and 7,775,072.28
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Solution
The fourth proportional to 21,421,944.08, 32,132,846.05 and 7,775,072.28 is: 11,662,582.99
Step by Step Solution
- Step 1: Write the proportion equation
21,421,944.08 : 32,132,846.05 = 7,775,072.28 : x - Step 2: Convert to fraction form
21,421,944.08/32,132,846.05 = 7,775,072.28/x - Step 3: Cross multiply
21,421,944.08x = 32,132,846.05 × 7,775,072.28 - Step 4: Simplify right side
21,421,944.08x = 249,835,200,581,424.81 - Step 5: Solve for x
x = 249,835,200,581,424.81/21,421,944.08 - Step 6: Final answer
x = 11,662,582.99
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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.