Finding the Fourth Proportional to 7,127,025.14, 10,690,537.51 and 3,287,711.63
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Solution
The fourth proportional to 7,127,025.14, 10,690,537.51 and 3,287,711.63 is: 4,931,567.35
Step by Step Solution
- Step 1: Write the proportion equation
7,127,025.14 : 10,690,537.51 = 3,287,711.63 : x - Step 2: Convert to fraction form
7,127,025.14/10,690,537.51 = 3,287,711.63/x - Step 3: Cross multiply
7,127,025.14x = 10,690,537.51 × 3,287,711.63 - Step 4: Simplify right side
7,127,025.14x = 35,147,404,502,578.24 - Step 5: Solve for x
x = 35,147,404,502,578.24/7,127,025.14 - Step 6: Final answer
x = 4,931,567.35
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1.5x scale
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.