Finding the Fourth Proportional to 33,153,704.87, 45,420,737.70 and 31,911,112.98
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Solution
The fourth proportional to 33,153,704.87, 45,420,737.70 and 31,911,112.98 is: 43,718,380.74
Step by Step Solution
- Step 1: Write the proportion equation
33,153,704.87 : 45,420,737.70 = 31,911,112.98 : x - Step 2: Convert to fraction form
33,153,704.87/45,420,737.70 = 31,911,112.98/x - Step 3: Cross multiply
33,153,704.87x = 45,420,737.70 × 31,911,112.98 - Step 4: Simplify right side
33,153,704.87x = 1,449,426,292,447,535 - Step 5: Solve for x
x = 1,449,426,292,447,535/33,153,704.87 - Step 6: Final answer
x = 43,718,380.74
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.