Finding the Fourth Proportional to 29,316,033.86, 40,456,174.39 and 16,263,293.09
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Solution
The fourth proportional to 29,316,033.86, 40,456,174.39 and 16,263,293.09 is: 22,443,370.90
Step by Step Solution
- Step 1: Write the proportion equation
29,316,033.86 : 40,456,174.39 = 16,263,293.09 : x - Step 2: Convert to fraction form
29,316,033.86/40,456,174.39 = 16,263,293.09/x - Step 3: Cross multiply
29,316,033.86x = 40,456,174.39 × 16,263,293.09 - Step 4: Simplify right side
29,316,033.86x = 657,950,621,161,783 - Step 5: Solve for x
x = 657,950,621,161,783/29,316,033.86 - Step 6: Final answer
x = 22,443,370.90
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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.