Finding the Fourth Proportional to 28,685,476.08, 43,040,920.56 and 15,035,378.44
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Solution
The fourth proportional to 28,685,476.08, 43,040,920.56 and 15,035,378.44 is: 22,559,727.69
Step by Step Solution
- Step 1: Write the proportion equation
28,685,476.08 : 43,040,920.56 = 15,035,378.44 : x - Step 2: Convert to fraction form
28,685,476.08/43,040,920.56 = 15,035,378.44/x - Step 3: Cross multiply
28,685,476.08x = 43,040,920.56 × 15,035,378.44 - Step 4: Simplify right side
28,685,476.08x = 647,136,529,025,576.75 - Step 5: Solve for x
x = 647,136,529,025,576.75/28,685,476.08 - Step 6: Final answer
x = 22,559,727.69
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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.