Finding the Fourth Proportional to 29,713,372.14, 40,989,362.67 and 19,406,128.62
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Solution
The fourth proportional to 29,713,372.14, 40,989,362.67 and 19,406,128.62 is: 26,770,601.47
Step by Step Solution
- Step 1: Write the proportion equation
29,713,372.14 : 40,989,362.67 = 19,406,128.62 : x - Step 2: Convert to fraction form
29,713,372.14/40,989,362.67 = 19,406,128.62/x - Step 3: Cross multiply
29,713,372.14x = 40,989,362.67 × 19,406,128.62 - Step 4: Simplify right side
29,713,372.14x = 795,444,844,025,846.75 - Step 5: Solve for x
x = 795,444,844,025,846.75/29,713,372.14 - Step 6: Final answer
x = 26,770,601.47
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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.