Finding the Fourth Proportional to 12,952,626.66, 17,874,903.42 and 7,151,774.99
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Solution
The fourth proportional to 12,952,626.66, 17,874,903.42 and 7,151,774.99 is: 9,869,603.32
Step by Step Solution
- Step 1: Write the proportion equation
12,952,626.66 : 17,874,903.42 = 7,151,774.99 : x - Step 2: Convert to fraction form
12,952,626.66/17,874,903.42 = 7,151,774.99/x - Step 3: Cross multiply
12,952,626.66x = 17,874,903.42 × 7,151,774.99 - Step 4: Simplify right side
12,952,626.66x = 127,837,287,138,446.97 - Step 5: Solve for x
x = 127,837,287,138,446.97/12,952,626.66 - Step 6: Final answer
x = 9,869,603.32
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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.