Finding the Fourth Proportional to 9,509,916.26, 13,123,684.44 and 5,435,622.74
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Solution
The fourth proportional to 9,509,916.26, 13,123,684.44 and 5,435,622.74 is: 7,501,159.38
Step by Step Solution
- Step 1: Write the proportion equation
9,509,916.26 : 13,123,684.44 = 5,435,622.74 : x - Step 2: Convert to fraction form
9,509,916.26/13,123,684.44 = 5,435,622.74/x - Step 3: Cross multiply
9,509,916.26x = 13,123,684.44 × 5,435,622.74 - Step 4: Simplify right side
9,509,916.26x = 71,335,397,509,029.75 - Step 5: Solve for x
x = 71,335,397,509,029.75/9,509,916.26 - Step 6: Final answer
x = 7,501,159.38
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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.