Finding the Fourth Proportional to 11,184,755.45, 15,434,720.60 and 6,475,349.54
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Solution
The fourth proportional to 11,184,755.45, 15,434,720.60 and 6,475,349.54 is: 8,935,842.31
Step by Step Solution
- Step 1: Write the proportion equation
11,184,755.45 : 15,434,720.60 = 6,475,349.54 : x - Step 2: Convert to fraction form
11,184,755.45/15,434,720.60 = 6,475,349.54/x - Step 3: Cross multiply
11,184,755.45x = 15,434,720.60 × 6,475,349.54 - Step 4: Simplify right side
11,184,755.45x = 99,945,210,885,568.39 - Step 5: Solve for x
x = 99,945,210,885,568.39/11,184,755.45 - Step 6: Final answer
x = 8,935,842.31
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1.5x scale
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.