Finding the Fourth Proportional to 36,854,138.28, 50,858,373.06 and 20,334,415.08
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Solution
The fourth proportional to 36,854,138.28, 50,858,373.06 and 20,334,415.08 is: 28,061,306.45
Step by Step Solution
- Step 1: Write the proportion equation
36,854,138.28 : 50,858,373.06 = 20,334,415.08 : x - Step 2: Convert to fraction form
36,854,138.28/50,858,373.06 = 20,334,415.08/x - Step 3: Cross multiply
36,854,138.28x = 50,858,373.06 × 20,334,415.08 - Step 4: Simplify right side
36,854,138.28x = 1,034,175,268,095,529.75 - Step 5: Solve for x
x = 1,034,175,268,095,529.75/36,854,138.28 - Step 6: Final answer
x = 28,061,306.45
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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.