Finding the Fourth Proportional to 42,823,163.70, 58,946,617.26 and 36,961,397.82
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Solution
The fourth proportional to 42,823,163.70, 58,946,617.26 and 36,961,397.82 is: 50,877,823.65
Step by Step Solution
- Step 1: Write the proportion equation
42,823,163.70 : 58,946,617.26 = 36,961,397.82 : x - Step 2: Convert to fraction form
42,823,163.70/58,946,617.26 = 36,961,397.82/x - Step 3: Cross multiply
42,823,163.70x = 58,946,617.26 × 36,961,397.82 - Step 4: Simplify right side
42,823,163.70x = 2,178,749,370,690,138.25 - Step 5: Solve for x
x = 2,178,749,370,690,138.25/42,823,163.70 - Step 6: Final answer
x = 50,877,823.65
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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.