Finding the Fourth Proportional to 7,940,671.77, 11,906,202.66 and 3,563,008.56
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Solution
The fourth proportional to 7,940,671.77, 11,906,202.66 and 3,563,008.56 is: 5,342,356.82
Step by Step Solution
- Step 1: Write the proportion equation
7,940,671.77 : 11,906,202.66 = 3,563,008.56 : x - Step 2: Convert to fraction form
7,940,671.77/11,906,202.66 = 3,563,008.56/x - Step 3: Cross multiply
7,940,671.77x = 11,906,202.66 × 3,563,008.56 - Step 4: Simplify right side
7,940,671.77x = 42,421,901,994,674.77 - Step 5: Solve for x
x = 42,421,901,994,674.77/7,940,671.77 - Step 6: Final answer
x = 5,342,356.82
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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.