Finding the Fourth Proportional to 7,438,052.76, 10,263,724.26 and 4,175,226.42
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Solution
The fourth proportional to 7,438,052.76, 10,263,724.26 and 4,175,226.42 is: 5,761,369.82
Step by Step Solution
- Step 1: Write the proportion equation
7,438,052.76 : 10,263,724.26 = 4,175,226.42 : x - Step 2: Convert to fraction form
7,438,052.76/10,263,724.26 = 4,175,226.42/x - Step 3: Cross multiply
7,438,052.76x = 10,263,724.26 × 4,175,226.42 - Step 4: Simplify right side
7,438,052.76x = 42,853,372,697,946.95 - Step 5: Solve for x
x = 42,853,372,697,946.95/7,438,052.76 - Step 6: Final answer
x = 5,761,369.82
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Double scale
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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.