Finding the Fourth Proportional to 28,875,622.62, 43,313,507.78 and 7,310,226.62
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Solution
The fourth proportional to 28,875,622.62, 43,313,507.78 and 7,310,226.62 is: 10,965,358.62
Step by Step Solution
- Step 1: Write the proportion equation
28,875,622.62 : 43,313,507.78 = 7,310,226.62 : x - Step 2: Convert to fraction form
28,875,622.62/43,313,507.78 = 7,310,226.62/x - Step 3: Cross multiply
28,875,622.62x = 43,313,507.78 × 7,310,226.62 - Step 4: Simplify right side
28,875,622.62x = 316,631,557,407,027.25 - Step 5: Solve for x
x = 316,631,557,407,027.25/28,875,622.62 - Step 6: Final answer
x = 10,965,358.62
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.