Finding the Fourth Proportional to 43,415,541.63, 65,109,486.05 and 14,262,613.62
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Solution
The fourth proportional to 43,415,541.63, 65,109,486.05 and 14,262,613.62 is: 21,389,378.27
Step by Step Solution
- Step 1: Write the proportion equation
43,415,541.63 : 65,109,486.05 = 14,262,613.62 : x - Step 2: Convert to fraction form
43,415,541.63/65,109,486.05 = 14,262,613.62/x - Step 3: Cross multiply
43,415,541.63x = 65,109,486.05 × 14,262,613.62 - Step 4: Simplify right side
43,415,541.63x = 928,631,442,527,929.88 - Step 5: Solve for x
x = 928,631,442,527,929.88/43,415,541.63 - Step 6: Final answer
x = 21,389,378.27
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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.