Finding the Fourth Proportional to 31,997,982.24, 44,140,947.68 and 19,435,693.97
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Solution
The fourth proportional to 31,997,982.24, 44,140,947.68 and 19,435,693.97 is: 26,811,376.55
Step by Step Solution
- Step 1: Write the proportion equation
31,997,982.24 : 44,140,947.68 = 19,435,693.97 : x - Step 2: Convert to fraction form
31,997,982.24/44,140,947.68 = 19,435,693.97/x - Step 3: Cross multiply
31,997,982.24x = 44,140,947.68 × 19,435,693.97 - Step 4: Simplify right side
31,997,982.24x = 857,909,950,786,641.62 - Step 5: Solve for x
x = 857,909,950,786,641.62/31,997,982.24 - Step 6: Final answer
x = 26,811,376.55
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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.