Finding the Fourth Proportional to 12,268,386.24, 18,402,583.68 and 3,292,938.24
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Solution
The fourth proportional to 12,268,386.24, 18,402,583.68 and 3,292,938.24 is: 4,939,408.52
Step by Step Solution
- Step 1: Write the proportion equation
12,268,386.24 : 18,402,583.68 = 3,292,938.24 : x - Step 2: Convert to fraction form
12,268,386.24/18,402,583.68 = 3,292,938.24/x - Step 3: Cross multiply
12,268,386.24x = 18,402,583.68 × 3,292,938.24 - Step 4: Simplify right side
12,268,386.24x = 60,598,571,514,671.93 - Step 5: Solve for x
x = 60,598,571,514,671.93/12,268,386.24 - Step 6: Final answer
x = 4,939,408.52
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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.