Finding the Fourth Proportional to 7,407,076.41, 11,102,798.81 and 3,994,434.23
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Solution
The fourth proportional to 7,407,076.41, 11,102,798.81 and 3,994,434.23 is: 5,987,436.48
Step by Step Solution
- Step 1: Write the proportion equation
7,407,076.41 : 11,102,798.81 = 3,994,434.23 : x - Step 2: Convert to fraction form
7,407,076.41/11,102,798.81 = 3,994,434.23/x - Step 3: Cross multiply
7,407,076.41x = 11,102,798.81 × 3,994,434.23 - Step 4: Simplify right side
7,407,076.41x = 44,349,399,539,981.10 - Step 5: Solve for x
x = 44,349,399,539,981.10/7,407,076.41 - Step 6: Final answer
x = 5,987,436.48
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1.5x scale
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.