Finding the Fourth Proportional to 27,135,751.28, 40,705,178.54 and 7,703,457.31
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Solution
The fourth proportional to 27,135,751.28, 40,705,178.54 and 7,703,457.31 is: 11,555,626.45
Step by Step Solution
- Step 1: Write the proportion equation
27,135,751.28 : 40,705,178.54 = 7,703,457.31 : x - Step 2: Convert to fraction form
27,135,751.28/40,705,178.54 = 7,703,457.31/x - Step 3: Cross multiply
27,135,751.28x = 40,705,178.54 × 7,703,457.31 - Step 4: Simplify right side
27,135,751.28x = 313,570,605,191,182.31 - Step 5: Solve for x
x = 313,570,605,191,182.31/27,135,751.28 - Step 6: Final answer
x = 11,555,626.45
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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.